<?xml version="1.0" encoding="us-ascii"?>
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/SignificantAccountingPoliciesDetails" xlink:href="szzl-20260331.xsd#SignificantAccountingPoliciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetails" xlink:href="szzl-20260331.xsd#DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/FairValueMeasurementsDetails" xlink:href="szzl-20260331.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/InitialPublicOfferingDetails" xlink:href="szzl-20260331.xsd#InitialPublicOfferingDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/PrivatePlacementDetails" xlink:href="szzl-20260331.xsd#PrivatePlacementDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/RelatedPartyTransactionsDetails" xlink:href="szzl-20260331.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/ShareholdersDeficitDetails" xlink:href="szzl-20260331.xsd#ShareholdersDeficitDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/CommitmentsandContingenciesDetails" xlink:href="szzl-20260331.xsd#CommitmentsandContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/FairValueMeasurementsScheduleofQuantitativeInformationRegardingMarketAssumptionsDetails" xlink:href="szzl-20260331.xsd#FairValueMeasurementsScheduleofQuantitativeInformationRegardingMarketAssumptionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/CondensedBalanceSheetsParentheticals" xlink:href="szzl-20260331.xsd#CondensedBalanceSheetsParentheticals" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/Cover" xlink:href="szzl-20260331.xsd#Cover" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofChangesinShareholdersDeficitParentheticals" xlink:href="szzl-20260331.xsd#UnauditedCondensedStatementsofChangesinShareholdersDeficitParentheticals" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofOperations" xlink:href="szzl-20260331.xsd#UnauditedCondensedStatementsofOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofChangesinShareholdersDeficit" xlink:href="szzl-20260331.xsd#UnauditedCondensedStatementsofChangesinShareholdersDeficit" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetails" xlink:href="szzl-20260331.xsd#SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/SignificantAccountingPoliciesScheduleofClassAOrdinarySharesSubjecttoPossibleRedemptionReflectedintheBalanceSheetDetails" xlink:href="szzl-20260331.xsd#SignificantAccountingPoliciesScheduleofClassAOrdinarySharesSubjecttoPossibleRedemptionReflectedintheBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/SubsequentEventsDetails" xlink:href="szzl-20260331.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/FairValueMeasurementsScheduleofAssetsMeasuredatFairValueDetails" xlink:href="szzl-20260331.xsd#FairValueMeasurementsScheduleofAssetsMeasuredatFairValueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofOperationsParentheticals" xlink:href="szzl-20260331.xsd#UnauditedCondensedStatementsofOperationsParentheticals" xlink:type="simple" />
  <link:roleRef roleURI="http://sizzlespacii.com/20260331/role/CondensedBalanceSheets" xlink:href="szzl-20260331.xsd#CondensedBalanceSheets" xlink:type="simple" />
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/SignificantAccountingPoliciesDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_1293" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFDICInsuredAmount" xlink:label="us-gaap_CashFDICInsuredAmount_1295" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInAccountingEstimateLineItems" xlink:label="us-gaap_ChangeInAccountingEstimateLineItems_1291" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1289" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1796" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1290" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember_1826" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1298" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1825" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1287" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1286" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1288" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis_1824" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1299" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1285" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits_1296" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_1297" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_SignificantAccountingPoliciesDetailsTable" xlink:label="szzl_SignificantAccountingPoliciesDetailsTable_1284" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrustNoncurrent" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_1294" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash_1292" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1289_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1825_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1286_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_CashEquivalentsAtCarryingValue_1293" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_CashFDICInsuredAmount_1295" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1288" xlink:to="us-gaap_ClassOfStockDomain_1289" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1289" xlink:to="us-gaap_CommonClassAMember_1796" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1289" xlink:to="us-gaap_CommonClassBMember_1290" />
    <link:definitionArc xlink:type="arc" order="131.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain_1825" xlink:to="us-gaap_CommonStockMember_1826" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1298" />
    <link:definitionArc xlink:type="arc" order="130.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis_1824" xlink:to="us-gaap_EquityComponentDomain_1825" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1286" xlink:to="us-gaap_OverAllotmentOptionMember_1287" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1285" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1286" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_SignificantAccountingPoliciesDetailsTable_1284" xlink:to="us-gaap_StatementClassOfStockAxis_1288" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_SignificantAccountingPoliciesDetailsTable_1284" xlink:to="us-gaap_StatementEquityComponentsAxis_1824" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1299" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_SignificantAccountingPoliciesDetailsTable_1284" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1285" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_UnrecognizedTaxBenefits_1296" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_1297" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="szzl_SignificantAccountingPoliciesDetailsTable_1284" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_AssetsHeldInTrustNoncurrent_1294" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems_1291" xlink:to="us-gaap_Cash_1292" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1288" xlink:to="us-gaap_ClassOfStockDomain_1289_default" />
    <link:definitionArc xlink:type="arc" order="130.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementEquityComponentsAxis_1824" xlink:to="us-gaap_EquityComponentDomain_1825_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1285" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1286_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetailsTable" xlink:label="szzl_SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetailsTable_1193" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1763" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1195" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1196" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic_1200" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasicLineItems" xlink:label="us-gaap_EarningsPerShareBasicLineItems_1197" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted_1747" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToParentAbstract" xlink:label="us-gaap_IncomeLossFromContinuingOperationsAttributableToParentAbstract_1744" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1198" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_1748" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1194" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1746" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1199" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1745" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1763_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_EarningsPerShareBasicLineItems_1197" xlink:to="szzl_SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetailsTable_1193" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1194" xlink:to="us-gaap_ClassOfStockDomain_1763" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1763" xlink:to="us-gaap_CommonClassAMember_1195" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1763" xlink:to="us-gaap_CommonClassBMember_1196" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1745" xlink:to="us-gaap_EarningsPerShareBasic_1200" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1745" xlink:to="us-gaap_EarningsPerShareDiluted_1747" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicLineItems_1197" xlink:to="us-gaap_IncomeLossFromContinuingOperationsAttributableToParentAbstract_1744" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeLossFromContinuingOperationsAttributableToParentAbstract_1744" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1198" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeLossFromContinuingOperationsAttributableToParentAbstract_1744" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_1748" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_SignificantAccountingPoliciesScheduleofNetIncomeLossperOrdinaryShareDetailsTable_1193" xlink:to="us-gaap_StatementClassOfStockAxis_1194" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1745" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1746" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1745" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1199" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicLineItems_1197" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1745" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1194" xlink:to="us-gaap_ClassOfStockDomain_1763_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationDateOfIncorporation" xlink:label="dei_EntityIncorporationDateOfIncorporation_1261" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_BusinessAcquisitionPercentageOfVotingInterestsToBeAcquiredOnPostTransaction" xlink:label="szzl_BusinessAcquisitionPercentageOfVotingInterestsToBeAcquiredOnPostTransaction_1273" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_BusinessCombinationAgreementMember" xlink:label="szzl_BusinessCombinationAgreementMember_1259" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_CantorMember" xlink:label="szzl_CantorMember_1253" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable" xlink:label="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_InterestToPayDissolutionExpenses" xlink:label="szzl_InterestToPayDissolutionExpenses_1276" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_MaturityDateForTreasuryObligationsInTrustAccount" xlink:label="szzl_MaturityDateForTreasuryObligationsInTrustAccount_1794" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_NumberOfSharesIssuedPerUnit" xlink:label="szzl_NumberOfSharesIssuedPerUnit_1265" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_OptionUnitsMember" xlink:label="szzl_OptionUnitsMember_1788" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_OtherOfferingCosts" xlink:label="szzl_OtherOfferingCosts_1271" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PercentageOfAggregateFairMarketValueOfTrustAccount" xlink:label="szzl_PercentageOfAggregateFairMarketValueOfTrustAccount_1272" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PercentageOfObligationToRedeemPublicShares" xlink:label="szzl_PercentageOfObligationToRedeemPublicShares_1275" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PublicSharesMember" xlink:label="szzl_PublicSharesMember_1246" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PublicUnitsMember" xlink:label="szzl_PublicUnitsMember_1782" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ShareRightMember" xlink:label="szzl_ShareRightMember_1244" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_SponsorMember" xlink:label="szzl_SponsorMember_1252" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember_1245" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_1264" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_1267" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_1274" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1251" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1250" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1241" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1256" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice_1277" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare_1263" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1247" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1240" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis_1257" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_TransactionCosts" xlink:label="szzl_TransactionCosts_1268" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1262" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_WorkingCapitalDeficit" xlink:label="szzl_WorkingCapitalDeficit_1280" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_WorkingCapitalLoans" xlink:label="szzl_WorkingCapitalLoans_1281" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_WorkingCapitalLoansOutstanding" xlink:label="szzl_WorkingCapitalLoansOutstanding_1795" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1258" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1255" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis_1254" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash_1279" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1248" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1803" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1266" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredOfferingCosts" xlink:label="us-gaap_DeferredOfferingCosts_1270" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IPOMember" xlink:label="us-gaap_IPOMember_1242" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherUnderwritingExpense" xlink:label="us-gaap_OtherUnderwritingExpense_1269" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1243" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1251_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1241_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1258_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1255_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1248_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="dei_EntityIncorporationDateOfIncorporation_1261" />
    <link:definitionArc xlink:type="arc" order="24.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_BusinessAcquisitionPercentageOfVotingInterestsToBeAcquiredOnPostTransaction_1273" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1258" xlink:to="szzl_BusinessCombinationAgreementMember_1259" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1251" xlink:to="szzl_CantorMember_1253" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" />
    <link:definitionArc xlink:type="arc" order="27.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_InterestToPayDissolutionExpenses_1276" />
    <link:definitionArc xlink:type="arc" order="111.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_MaturityDateForTreasuryObligationsInTrustAccount_1794" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_NumberOfSharesIssuedPerUnit_1265" />
    <link:definitionArc xlink:type="arc" order="107.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="szzl_OptionUnitsMember_1788" />
    <link:definitionArc xlink:type="arc" order="22.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_OtherOfferingCosts_1271" />
    <link:definitionArc xlink:type="arc" order="23.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_PercentageOfAggregateFairMarketValueOfTrustAccount_1272" />
    <link:definitionArc xlink:type="arc" order="26.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_PercentageOfObligationToRedeemPublicShares_1275" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="szzl_PublicSharesMember_1246" />
    <link:definitionArc xlink:type="arc" order="106.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="szzl_PublicUnitsMember_1782" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="szzl_ShareRightMember_1244" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1251" xlink:to="szzl_SponsorMember_1252" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="us-gaap_PrivatePlacementMember_1245" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_ProceedsFromIssuanceInitialPublicOffering_1264" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_1267" />
    <link:definitionArc xlink:type="arc" order="25.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_1274" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1250" xlink:to="us-gaap_RelatedPartyDomain_1251" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1250" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1240" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1241" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain_1255" xlink:to="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1256" />
    <link:definitionArc xlink:type="arc" order="28.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_SharePrice_1277" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_SharesIssuedPricePerShare_1263" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" xlink:to="us-gaap_StatementClassOfStockAxis_1247" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1240" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" xlink:to="us-gaap_TypeOfArrangementAxis_1257" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_TransactionCosts_1268" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1262" />
    <link:definitionArc xlink:type="arc" order="31.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_WorkingCapitalDeficit_1280" />
    <link:definitionArc xlink:type="arc" order="32.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_WorkingCapitalLoans_1281" />
    <link:definitionArc xlink:type="arc" order="112.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="szzl_WorkingCapitalLoansOutstanding_1795" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis_1257" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1258" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis_1254" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1255" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_DescriptionofOrganizationBusinessOperationsandLiquidityandCapitalResourcesDetailsTable_1239" xlink:to="us-gaap_BusinessAcquisitionAxis_1254" />
    <link:definitionArc xlink:type="arc" order="30.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_Cash_1279" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1247" xlink:to="us-gaap_ClassOfStockDomain_1248" />
    <link:definitionArc xlink:type="arc" order="116.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1248" xlink:to="us-gaap_CommonClassAMember_1803" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1266" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_DeferredOfferingCosts_1270" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="us-gaap_IPOMember_1242" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_1260" xlink:to="us-gaap_OtherUnderwritingExpense_1269" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1241" xlink:to="us-gaap_OverAllotmentOptionMember_1243" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1250" xlink:to="us-gaap_RelatedPartyDomain_1251_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1240" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1241_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TypeOfArrangementAxis_1257" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1258_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_BusinessAcquisitionAxis_1254" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1255_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1247" xlink:to="us-gaap_ClassOfStockDomain_1248_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/ShareholdersDeficitDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_NumberOfSharesIssuedPerUnit" xlink:label="szzl_NumberOfSharesIssuedPerUnit_1412" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PercentageOfOrdinarySharesIssuedAndOutstanding" xlink:label="szzl_PercentageOfOrdinarySharesIssuedAndOutstanding_1408" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ShareholdersDeficitDetailsTable" xlink:label="szzl_ShareholdersDeficitDetailsTable_1381" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ShareRightMember" xlink:label="szzl_ShareRightMember_1776" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_SponsorMember" xlink:label="szzl_SponsorMember_1391" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1393" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis_1392" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_1410" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1386" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1382" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_1404" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems_1395" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1387" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized_1396" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued_1398" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding_1399" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_1397" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1390" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1389" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1383" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1394" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1388" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1401" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized_1400" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued_1402" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PercentageOfAffirmativeVote" xlink:label="szzl_PercentageOfAffirmativeVote_1411" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding_1403" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue_1405" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockVotingRights" xlink:label="us-gaap_CommonStockVotingRights_1409" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1384" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare_1406" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1385" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1407" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1393_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1386_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1390_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1383_default" />
    <link:definitionArc xlink:type="arc" order="26.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="szzl_NumberOfSharesIssuedPerUnit_1412" />
    <link:definitionArc xlink:type="arc" order="22.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="szzl_PercentageOfOrdinarySharesIssuedAndOutstanding_1408" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="szzl_ShareholdersDeficitDetailsTable_1381" />
    <link:definitionArc xlink:type="arc" order="104.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1383" xlink:to="szzl_ShareRightMember_1776" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1390" xlink:to="szzl_SponsorMember_1391" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis_1392" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1393" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_ShareholdersDeficitDetailsTable_1381" xlink:to="us-gaap_BusinessAcquisitionAxis_1392" />
    <link:definitionArc xlink:type="arc" order="24.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_1410" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1385" xlink:to="us-gaap_ClassOfStockDomain_1386" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_ShareholdersDeficitDetailsTable_1381" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1382" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_TemporaryEquitySharesOutstanding_1404" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1386" xlink:to="us-gaap_CommonClassAMember_1387" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_PreferredStockSharesAuthorized_1396" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_PreferredStockSharesIssued_1398" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_PreferredStockSharesOutstanding_1399" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_1397" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1389" xlink:to="us-gaap_RelatedPartyDomain_1390" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_ShareholdersDeficitDetailsTable_1381" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1389" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1382" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1383" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain_1393" xlink:to="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1394" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1386" xlink:to="us-gaap_CommonClassBMember_1388" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1401" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_CommonStockSharesAuthorized_1400" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_CommonStockSharesIssued_1402" />
    <link:definitionArc xlink:type="arc" order="25.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="szzl_PercentageOfAffirmativeVote_1411" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_CommonStockSharesOutstanding_1403" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_CommonStockValue_1405" />
    <link:definitionArc xlink:type="arc" order="23.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_CommonStockVotingRights_1409" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1383" xlink:to="us-gaap_OverAllotmentOptionMember_1384" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_SharesIssuedPricePerShare_1406" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_ShareholdersDeficitDetailsTable_1381" xlink:to="us-gaap_StatementClassOfStockAxis_1385" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1395" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1407" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_BusinessAcquisitionAxis_1392" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1393_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1385" xlink:to="us-gaap_ClassOfStockDomain_1386_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1389" xlink:to="us-gaap_RelatedPartyDomain_1390_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1382" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1383_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/FairValueMeasurementsScheduleofAssetsMeasuredatFairValueDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrustNoncurrent" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_1220" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityFairValueDisclosure" xlink:label="us-gaap_EquityFairValueDisclosure_1222" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityFairValueDisclosureAbstract" xlink:label="us-gaap_EquityFairValueDisclosureAbstract_1221" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1218" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_FairValueMeasurementsScheduleofAssetsandEquityInstrumentsthatareMeasuredatFairValueDetailsTable" xlink:label="szzl_FairValueMeasurementsScheduleofAssetsandEquityInstrumentsthatareMeasuredatFairValueDetailsTable_1214" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_1219" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_1215" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member_1216" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member_1217" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1770" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1770_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsFairValueDisclosureAbstract_1219" xlink:to="us-gaap_AssetsHeldInTrustNoncurrent_1220" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityFairValueDisclosureAbstract_1221" xlink:to="us-gaap_EquityFairValueDisclosure_1222" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1218" xlink:to="us-gaap_EquityFairValueDisclosureAbstract_1221" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1218" xlink:to="szzl_FairValueMeasurementsScheduleofAssetsandEquityInstrumentsthatareMeasuredatFairValueDetailsTable_1214" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1218" xlink:to="us-gaap_AssetsFairValueDisclosureAbstract_1219" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_FairValueMeasurementsScheduleofAssetsandEquityInstrumentsthatareMeasuredatFairValueDetailsTable_1214" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_1215" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1770" xlink:to="us-gaap_FairValueInputsLevel1Member_1216" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1770" xlink:to="us-gaap_FairValueInputsLevel3Member_1217" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis_1215" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1770" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis_1215" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1770_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/FairValueMeasurementsDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PublicRightsMember" xlink:label="szzl_PublicRightsMember_1419" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PubliRightPricePerShare" xlink:label="szzl_PubliRightPricePerShare_1422" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_1421" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_1418" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1769" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_FairValueMeasurementsDetailsTable" xlink:label="szzl_FairValueMeasurementsDetailsTable_1415" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueOptionQuantitativeDisclosuresLineItems" xlink:label="us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_1420" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IPOMember" xlink:label="us-gaap_IPOMember_1417" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1768" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1416" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1769_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1768_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1769" xlink:to="szzl_PublicRightsMember_1419" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_1420" xlink:to="szzl_PubliRightPricePerShare_1422" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_1420" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_1421" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_FairValueMeasurementsDetailsTable_1415" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_1418" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1418" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1769" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_1420" xlink:to="szzl_FairValueMeasurementsDetailsTable_1415" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1768" xlink:to="us-gaap_IPOMember_1417" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1416" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1768" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_FairValueMeasurementsDetailsTable_1415" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1416" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1418" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1769_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1416" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1768_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/RelatedPartyTransactionsDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare_1363" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1331" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:label="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_1351" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_1347" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1350" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1352" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice_1346" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdministrativeFeesExpense" xlink:label="us-gaap_AdministrativeFeesExpense_1361" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1339" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis_1338" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_AfterInitialBusinessCombinationOfTradingDays" xlink:label="szzl_AfterInitialBusinessCombinationOfTradingDays_1356" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1328" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentForAdministrativeFees" xlink:label="us-gaap_PaymentForAdministrativeFees_1798" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1332" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1333" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis_1341" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount_1357" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain_1342" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="us-gaap_OtherReceivablesNetCurrent_1360" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_AggregateOfSponsorSharesSurrendered" xlink:label="szzl_AggregateOfSponsorSharesSurrendered_1348" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ConsiderationRiskFreeRate" xlink:label="szzl_ConsiderationRiskFreeRate_1354" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_FounderShares1Member" xlink:label="szzl_FounderShares1Member_1329" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_IPOPromissoryNoteMember" xlink:label="szzl_IPOPromissoryNoteMember_1343" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_NumberOfTradingDaysOfBusinessCombination" xlink:label="szzl_NumberOfTradingDaysOfBusinessCombination_1355" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_OutstandingBorrowings" xlink:label="szzl_OutstandingBorrowings_1805" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PercentageOfConsiderationMarketAdjustment" xlink:label="szzl_PercentageOfConsiderationMarketAdjustment_1353" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PrincipalAmount" xlink:label="szzl_PrincipalAmount_1806" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_RelatedPartyTransactionsDetailsTable" xlink:label="szzl_RelatedPartyTransactionsDetailsTable_1326" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_SponsorMember" xlink:label="szzl_SponsorMember_1336" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_WorkingCapitalLoan" xlink:label="szzl_WorkingCapitalLoan_1362" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember_1330" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="us-gaap_ProceedsFromRelatedPartyDebt_1359" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1335" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems_1344" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1334" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1340" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_1345" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1327" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_WorkingCapitalLoansOutstanding" xlink:label="szzl_WorkingCapitalLoansOutstanding_1799" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_1349" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1339_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1328_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1332_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain_1342_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1335_default" />
    <link:definitionArc xlink:type="arc" order="30.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_SharesIssuedPricePerShare_1363" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_RelatedPartyTransactionsDetailsTable_1326" xlink:to="us-gaap_StatementClassOfStockAxis_1331" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_1351" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_1347" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1350" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1352" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_SharePrice_1346" />
    <link:definitionArc xlink:type="arc" order="27.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_AdministrativeFeesExpense_1361" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis_1338" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1339" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_RelatedPartyTransactionsDetailsTable_1326" xlink:to="us-gaap_BusinessAcquisitionAxis_1338" />
    <link:definitionArc xlink:type="arc" order="22.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_AfterInitialBusinessCombinationOfTradingDays_1356" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1327" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1328" />
    <link:definitionArc xlink:type="arc" order="28.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_PaymentForAdministrativeFees_1798" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1331" xlink:to="us-gaap_ClassOfStockDomain_1332" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1332" xlink:to="us-gaap_CommonClassAMember_1333" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_RelatedPartyTransactionsDetailsTable_1326" xlink:to="us-gaap_DebtInstrumentAxis_1341" />
    <link:definitionArc xlink:type="arc" order="23.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_DebtInstrumentFaceAmount_1357" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DebtInstrumentAxis_1341" xlink:to="us-gaap_DebtInstrumentNameDomain_1342" />
    <link:definitionArc xlink:type="arc" order="26.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_OtherReceivablesNetCurrent_1360" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_AggregateOfSponsorSharesSurrendered_1348" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_ConsiderationRiskFreeRate_1354" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1328" xlink:to="szzl_FounderShares1Member_1329" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain_1342" xlink:to="szzl_IPOPromissoryNoteMember_1343" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_NumberOfTradingDaysOfBusinessCombination_1355" />
    <link:definitionArc xlink:type="arc" order="117.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_OutstandingBorrowings_1805" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_PercentageOfConsiderationMarketAdjustment_1353" />
    <link:definitionArc xlink:type="arc" order="118.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_PrincipalAmount_1806" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_RelatedPartyTransactionsDetailsTable_1326" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1335" xlink:to="szzl_SponsorMember_1336" />
    <link:definitionArc xlink:type="arc" order="29.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_WorkingCapitalLoan_1362" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1328" xlink:to="us-gaap_PrivatePlacementMember_1330" />
    <link:definitionArc xlink:type="arc" order="25.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_ProceedsFromRelatedPartyDebt_1359" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1334" xlink:to="us-gaap_RelatedPartyDomain_1335" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_RelatedPartyTransactionsDetailsTable_1326" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1334" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain_1339" xlink:to="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1340" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_1345" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_RelatedPartyTransactionsDetailsTable_1326" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1327" />
    <link:definitionArc xlink:type="arc" order="31.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="szzl_WorkingCapitalLoansOutstanding_1799" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1344" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_1349" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_BusinessAcquisitionAxis_1338" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1339_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1327" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1328_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1331" xlink:to="us-gaap_ClassOfStockDomain_1332_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_DebtInstrumentAxis_1341" xlink:to="us-gaap_DebtInstrumentNameDomain_1342_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1334" xlink:to="us-gaap_RelatedPartyDomain_1335_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/CommitmentsandContingenciesDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_DeferredUnderwritingFee" xlink:label="szzl_DeferredUnderwritingFee_1378" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_GrossProceedsPercentage" xlink:label="szzl_GrossProceedsPercentage_1377" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_CashUnderwritingDiscount" xlink:label="szzl_CashUnderwritingDiscount_1376" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_CommitmentsandContingenciesDetailsTable" xlink:label="szzl_CommitmentsandContingenciesDetailsTable_1366" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnderwritingAgreementMember" xlink:label="szzl_UnderwritingAgreementMember_1372" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnderwritingOptionPeriod" xlink:label="szzl_UnderwritingOptionPeriod_1374" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1375" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IPOMember" xlink:label="us-gaap_IPOMember_1369" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="us-gaap_OtherCommitmentsLineItems_1373" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1370" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1368" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1367" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis_1371" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1767" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1368_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1767_default" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherCommitmentsLineItems_1373" xlink:to="szzl_DeferredUnderwritingFee_1378" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherCommitmentsLineItems_1373" xlink:to="szzl_GrossProceedsPercentage_1377" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherCommitmentsLineItems_1373" xlink:to="szzl_CashUnderwritingDiscount_1376" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_OtherCommitmentsLineItems_1373" xlink:to="szzl_CommitmentsandContingenciesDetailsTable_1366" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1767" xlink:to="szzl_UnderwritingAgreementMember_1372" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherCommitmentsLineItems_1373" xlink:to="szzl_UnderwritingOptionPeriod_1374" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherCommitmentsLineItems_1373" xlink:to="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1375" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1368" xlink:to="us-gaap_IPOMember_1369" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1368" xlink:to="us-gaap_OverAllotmentOptionMember_1370" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1367" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1368" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_CommitmentsandContingenciesDetailsTable_1366" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1367" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_CommitmentsandContingenciesDetailsTable_1366" xlink:to="us-gaap_TypeOfArrangementAxis_1371" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis_1371" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1767" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1367" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1368_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TypeOfArrangementAxis_1371" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1767_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/InitialPublicOfferingDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_InitialPublicOfferingDetailsTable" xlink:label="szzl_InitialPublicOfferingDetailsTable_1302" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_OptionUnitsMember" xlink:label="szzl_OptionUnitsMember_1789" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PublicUnitsMember" xlink:label="szzl_PublicUnitsMember_1787" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1305" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockDescriptionOfTransaction" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_1309" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1765" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare_1308" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1303" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockLineItems" xlink:label="us-gaap_SubsidiarySaleOfStockLineItems_1306" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1307" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1765_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SubsidiarySaleOfStockLineItems_1306" xlink:to="szzl_InitialPublicOfferingDetailsTable_1302" />
    <link:definitionArc xlink:type="arc" order="108.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1765" xlink:to="szzl_OptionUnitsMember_1789" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1765" xlink:to="szzl_PublicUnitsMember_1787" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1765" xlink:to="us-gaap_OverAllotmentOptionMember_1305" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsidiarySaleOfStockLineItems_1306" xlink:to="us-gaap_SaleOfStockDescriptionOfTransaction_1309" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1303" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1765" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsidiarySaleOfStockLineItems_1306" xlink:to="us-gaap_SharesIssuedPricePerShare_1308" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_InitialPublicOfferingDetailsTable_1302" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1303" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsidiarySaleOfStockLineItems_1306" xlink:to="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1307" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1303" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1765_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/PrivatePlacementDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_CantorMember" xlink:label="szzl_CantorMember_1318" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_NumberOfPrivatePlacementRight" xlink:label="szzl_NumberOfPrivatePlacementRight_1323" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_NumberOfPrivatePlacementShare" xlink:label="szzl_NumberOfPrivatePlacementShare_1322" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PrivatePlacementDetailsTable" xlink:label="szzl_PrivatePlacementDetailsTable_1312" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_SponsorMember" xlink:label="szzl_SponsorMember_1317" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1320" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems_1319" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember_1314" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1316" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1315" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1766" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="us-gaap_SaleOfStockPricePerShare_1321" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1313" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1316_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1766_default" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1316" xlink:to="szzl_CantorMember_1318" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1319" xlink:to="szzl_NumberOfPrivatePlacementRight_1323" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1319" xlink:to="szzl_NumberOfPrivatePlacementShare_1322" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ClassOfStockLineItems_1319" xlink:to="szzl_PrivatePlacementDetailsTable_1312" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain_1316" xlink:to="szzl_SponsorMember_1317" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1319" xlink:to="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1320" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1766" xlink:to="us-gaap_PrivatePlacementMember_1314" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1315" xlink:to="us-gaap_RelatedPartyDomain_1316" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_PrivatePlacementDetailsTable_1312" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1315" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1313" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1766" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockLineItems_1319" xlink:to="us-gaap_SaleOfStockPricePerShare_1321" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="szzl_PrivatePlacementDetailsTable_1312" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1313" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1315" xlink:to="us-gaap_RelatedPartyDomain_1316_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1313" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1766_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/SubsequentEventsDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems_1820" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis_1813" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_1814" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember_1815" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1817" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1818" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PubcoOrdinarySharesMember" xlink:label="szzl_PubcoOrdinarySharesMember_1819" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable_1812" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1821" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_1814_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1818_default" />
    <link:definitionArc xlink:type="arc" order="122.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable_1812" xlink:to="us-gaap_SubsequentEventTypeAxis_1813" />
    <link:definitionArc xlink:type="arc" order="123.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis_1813" xlink:to="us-gaap_SubsequentEventTypeDomain_1814" />
    <link:definitionArc xlink:type="arc" order="124.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain_1814" xlink:to="us-gaap_SubsequentEventMember_1815" />
    <link:definitionArc xlink:type="arc" order="126.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable_1812" xlink:to="us-gaap_StatementClassOfStockAxis_1817" />
    <link:definitionArc xlink:type="arc" order="127.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1817" xlink:to="us-gaap_ClassOfStockDomain_1818" />
    <link:definitionArc xlink:type="arc" order="128.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1818" xlink:to="szzl_PubcoOrdinarySharesMember_1819" />
    <link:definitionArc xlink:type="arc" order="121.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SubsequentEventLineItems_1820" xlink:to="us-gaap_SubsequentEventTable_1812" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems_1820" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1821" />
    <link:definitionArc xlink:type="arc" order="123.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsequentEventTypeAxis_1813" xlink:to="us-gaap_SubsequentEventTypeDomain_1814_default" />
    <link:definitionArc xlink:type="arc" order="127.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1817" xlink:to="us-gaap_ClassOfStockDomain_1818_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/FairValueMeasurementsScheduleofQuantitativeInformationRegardingMarketAssumptionsDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_1231" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_1225" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputSharePriceMember" xlink:label="us-gaap_MeasurementInputSharePriceMember_1227" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputTypeAxis" xlink:label="us-gaap_MeasurementInputTypeAxis_1226" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain_1771" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_1232" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_MeasurementInputMarketAdjustmentMember" xlink:label="szzl_MeasurementInputMarketAdjustmentMember_1229" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_FairValueMeasurementInputsPercentage" xlink:label="szzl_FairValueMeasurementInputsPercentage_1800" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_MeasurementInputFairValuePerPublicRightMember" xlink:label="szzl_MeasurementInputFairValuePerPublicRightMember_1230" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_MeasurementInputPreadjustedValuePerPublicRightMember" xlink:label="szzl_MeasurementInputPreadjustedValuePerPublicRightMember_1228" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain_1771_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_1231" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_1225" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain_1771" xlink:to="us-gaap_MeasurementInputSharePriceMember_1227" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_1225" xlink:to="us-gaap_MeasurementInputTypeAxis_1226" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MeasurementInputTypeAxis_1226" xlink:to="us-gaap_MeasurementInputTypeDomain_1771" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_1231" xlink:to="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_1232" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain_1771" xlink:to="szzl_MeasurementInputMarketAdjustmentMember_1229" />
    <link:definitionArc xlink:type="arc" order="114.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_1231" xlink:to="szzl_FairValueMeasurementInputsPercentage_1800" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain_1771" xlink:to="szzl_MeasurementInputFairValuePerPublicRightMember_1230" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MeasurementInputTypeDomain_1771" xlink:to="szzl_MeasurementInputPreadjustedValuePerPublicRightMember_1228" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_MeasurementInputTypeAxis_1226" xlink:to="us-gaap_MeasurementInputTypeDomain_1771_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/CondensedBalanceSheetsParentheticals" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1042" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityParOrStatedValuePerShare" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_1045" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityRedemptionPricePerShare" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_1048" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesIssued" xlink:label="us-gaap_TemporaryEquitySharesIssued_1046" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_1047" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1043" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1053" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized_1054" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued_1055" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding_1056" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_1049" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized_1050" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued_1051" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding_1052" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1040" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1044" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1039" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1041" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1041_default" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1041" xlink:to="us-gaap_CommonClassAMember_1042" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_TemporaryEquityParOrStatedValuePerShare_1045" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_TemporaryEquityRedemptionPricePerShare_1048" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_TemporaryEquitySharesIssued_1046" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_TemporaryEquitySharesOutstanding_1047" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1041" xlink:to="us-gaap_CommonClassBMember_1043" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1053" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_CommonStockSharesAuthorized_1054" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_CommonStockSharesIssued_1055" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_CommonStockSharesOutstanding_1056" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_1049" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_PreferredStockSharesAuthorized_1050" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_PreferredStockSharesIssued_1051" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_PreferredStockSharesOutstanding_1052" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1039" xlink:to="us-gaap_StatementClassOfStockAxis_1040" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems_1044" xlink:to="us-gaap_StatementTable_1039" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1040" xlink:to="us-gaap_ClassOfStockDomain_1041" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1040" xlink:to="us-gaap_ClassOfStockDomain_1041_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/Cover" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber_1515" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness_1530" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany_1527" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1436" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1435" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1431" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_RightsEachRightEntitlingTheHolderToReceiveOnetenth110OfOneClassAOrdinaryShareUponTheConsummationOfTheInitialBusinessCombinationMember" xlink:label="szzl_RightsEachRightEntitlingTheHolderToReceiveOnetenth110OfOneClassAOrdinaryShareUponTheConsummationOfTheInitialBusinessCombinationMember_1434" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ClassAOrdinarySharesParValue00001PerShareMember" xlink:label="szzl_ClassAOrdinarySharesParValue00001PerShareMember_1433" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol_1569" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName_1580" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle_1577" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber_1559" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName_1513" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneRightClassAOrdinarySharesParValue00001PerShareMember" xlink:label="szzl_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneRightClassAOrdinarySharesParValue00001PerShareMember_1432" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag_1486" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode_1558" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate_1491" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport_1451" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport_1453" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType" xlink:label="dei_DocumentType_1441" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1_1550" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown_1552" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode_1555" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince_1553" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey_1514" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding_1576" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode_1539" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory_1523" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber_1526" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod_1529" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany_1528" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus_1522" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate_1518" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus_1493" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus_1492" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems_1440" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable_1437" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent_1458" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1430" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1431_default" />
    <link:definitionArc xlink:type="arc" order="70.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityTaxIdentificationNumber_1515" />
    <link:definitionArc xlink:type="arc" order="78.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntitySmallBusiness_1530" />
    <link:definitionArc xlink:type="arc" order="77.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityShellCompany_1527" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1431" xlink:to="us-gaap_CommonClassBMember_1436" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1431" xlink:to="us-gaap_CommonClassAMember_1435" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1430" xlink:to="us-gaap_ClassOfStockDomain_1431" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1431" xlink:to="szzl_RightsEachRightEntitlingTheHolderToReceiveOnetenth110OfOneClassAOrdinaryShareUponTheConsummationOfTheInitialBusinessCombinationMember_1434" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1431" xlink:to="szzl_ClassAOrdinarySharesParValue00001PerShareMember_1433" />
    <link:definitionArc xlink:type="arc" order="89.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_TradingSymbol_1569" />
    <link:definitionArc xlink:type="arc" order="90.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_SecurityExchangeName_1580" />
    <link:definitionArc xlink:type="arc" order="88.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_Security12bTitle_1577" />
    <link:definitionArc xlink:type="arc" order="87.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_LocalPhoneNumber_1559" />
    <link:definitionArc xlink:type="arc" order="67.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityRegistrantName_1513" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1431" xlink:to="szzl_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneRightClassAOrdinarySharesParValue00001PerShareMember_1432" />
    <link:definitionArc xlink:type="arc" order="59.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_AmendmentFlag_1486" />
    <link:definitionArc xlink:type="arc" order="86.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_CityAreaCode_1558" />
    <link:definitionArc xlink:type="arc" order="64.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentPeriodEndDate_1491" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentQuarterlyReport_1451" />
    <link:definitionArc xlink:type="arc" order="23.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentTransitionReport_1453" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentType_1441" />
    <link:definitionArc xlink:type="arc" order="82.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityAddressAddressLine1_1550" />
    <link:definitionArc xlink:type="arc" order="83.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityAddressCityOrTown_1552" />
    <link:definitionArc xlink:type="arc" order="85.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityAddressPostalZipCode_1555" />
    <link:definitionArc xlink:type="arc" order="84.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityAddressStateOrProvince_1553" />
    <link:definitionArc xlink:type="arc" order="68.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityCentralIndexKey_1514" />
    <link:definitionArc xlink:type="arc" order="91.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityCommonStockSharesOutstanding_1576" />
    <link:definitionArc xlink:type="arc" order="71.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityIncorporationStateCountryCode_1539" />
    <link:definitionArc xlink:type="arc" order="76.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityFilerCategory_1523" />
    <link:definitionArc xlink:type="arc" order="69.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityFileNumber_1526" />
    <link:definitionArc xlink:type="arc" order="80.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityExTransitionPeriod_1529" />
    <link:definitionArc xlink:type="arc" order="79.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityEmergingGrowthCompany_1528" />
    <link:definitionArc xlink:type="arc" order="75.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityCurrentReportingStatus_1522" />
    <link:definitionArc xlink:type="arc" order="72.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_CurrentFiscalYearEndDate_1518" />
    <link:definitionArc xlink:type="arc" order="66.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentFiscalPeriodFocus_1493" />
    <link:definitionArc xlink:type="arc" order="65.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentFiscalYearFocus_1492" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_DocumentInformationTable_1437" />
    <link:definitionArc xlink:type="arc" order="29.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems_1440" xlink:to="dei_EntityInteractiveDataCurrent_1458" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="dei_DocumentInformationTable_1437" xlink:to="us-gaap_StatementClassOfStockAxis_1430" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1430" xlink:to="us-gaap_ClassOfStockDomain_1431_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/CondensedBalanceSheets" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash_1013" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrustNoncurrent" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_1019" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract_1012" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent_1016" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent_1025" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_1036" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies_1028" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1008" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets_1020" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital_1033" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent_1022" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_DeferredFeePayable" xlink:label="szzl_DeferredFeePayable_1026" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_AccruedOfferingCosts" xlink:label="szzl_AccruedOfferingCosts_1023" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1007" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1011" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1003" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_1035" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract_1021" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseNoncurrent" xlink:label="us-gaap_PrepaidExpenseNoncurrent_1018" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="us-gaap_PrepaidExpenseCurrent_1014" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue_1031" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="us-gaap_OtherReceivablesNetCurrent_1015" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract_1030" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_1029" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities_1027" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue_1032" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1010" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1009" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_1034" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1008_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract_1012" xlink:to="us-gaap_Cash_1013" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_AssetsHeldInTrustNoncurrent_1019" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_AssetsCurrentAbstract_1012" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract_1012" xlink:to="us-gaap_AssetsCurrent_1016" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1021" xlink:to="us-gaap_LiabilitiesCurrent_1025" />
    <link:definitionArc xlink:type="arc" order="21.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_1036" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_CommitmentsAndContingencies_1028" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1007" xlink:to="us-gaap_ClassOfStockDomain_1008" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_Assets_1020" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockholdersEquityAbstract_1030" xlink:to="us-gaap_AdditionalPaidInCapital_1033" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1021" xlink:to="us-gaap_AccruedLiabilitiesCurrent_1022" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="szzl_DeferredFeePayable_1026" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1021" xlink:to="szzl_AccruedOfferingCosts_1023" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1003" xlink:to="us-gaap_StatementClassOfStockAxis_1007" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_StatementTable_1003" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockholdersEquityAbstract_1030" xlink:to="us-gaap_StockholdersEquity_1035" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_LiabilitiesCurrentAbstract_1021" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_PrepaidExpenseNoncurrent_1018" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract_1012" xlink:to="us-gaap_PrepaidExpenseCurrent_1014" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockholdersEquityAbstract_1030" xlink:to="us-gaap_PreferredStockValue_1031" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract_1012" xlink:to="us-gaap_OtherReceivablesNetCurrent_1015" />
    <link:definitionArc xlink:type="arc" order="20.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_StockholdersEquityAbstract_1030" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_1029" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1011" xlink:to="us-gaap_Liabilities_1027" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockholdersEquityAbstract_1030" xlink:to="us-gaap_CommonStockValue_1032" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1008" xlink:to="us-gaap_CommonClassBMember_1010" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1008" xlink:to="us-gaap_CommonClassAMember_1009" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockholdersEquityAbstract_1030" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_1034" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1007" xlink:to="us-gaap_ClassOfStockDomain_1008_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofChangesinShareholdersDeficitParentheticals" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PublicUnitsMember" xlink:label="szzl_PublicUnitsMember_1760" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_OptionUnitsMember" xlink:label="szzl_OptionUnitsMember_1761" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1784" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1753" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1754" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1762" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1759" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1752" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1755" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1751" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1756" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1758" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1753_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1759_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1759" xlink:to="szzl_PublicUnitsMember_1760" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1759" xlink:to="szzl_OptionUnitsMember_1761" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1755" xlink:to="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1784" />
    <link:definitionArc xlink:type="arc" order="98.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1752" xlink:to="us-gaap_ClassOfStockDomain_1753" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1753" xlink:to="us-gaap_CommonClassBMember_1754" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1759" xlink:to="us-gaap_OverAllotmentOptionMember_1762" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1758" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1759" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1751" xlink:to="us-gaap_StatementClassOfStockAxis_1752" />
    <link:definitionArc xlink:type="arc" order="96.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems_1755" xlink:to="us-gaap_StatementTable_1751" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1755" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1756" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1751" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1758" />
    <link:definitionArc xlink:type="arc" order="98.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1752" xlink:to="us-gaap_ClassOfStockDomain_1753_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1758" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1759_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofOperations" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1061" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1062" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1063" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic_1073" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted_1074" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense_1065" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit_1823" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest_1068" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_1070" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense_1069" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_1067" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss_1066" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1060" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1064" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1059" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1072" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1071" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1061_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1060" xlink:to="us-gaap_ClassOfStockDomain_1061" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1061" xlink:to="us-gaap_CommonClassAMember_1062" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1061" xlink:to="us-gaap_CommonClassBMember_1063" />
    <link:definitionArc xlink:type="arc" order="18.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_EarningsPerShareBasic_1073" />
    <link:definitionArc xlink:type="arc" order="19.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_EarningsPerShareDiluted_1074" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_GeneralAndAdministrativeExpense_1065" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_IncomeTaxExpenseBenefit_1823" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract_1067" xlink:to="us-gaap_InvestmentIncomeInterest_1068" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_NetIncomeLoss_1070" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract_1067" xlink:to="us-gaap_NonoperatingIncomeExpense_1069" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_1067" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_OperatingIncomeLoss_1066" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1059" xlink:to="us-gaap_StatementClassOfStockAxis_1060" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_StatementTable_1059" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1072" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1064" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1071" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1060" xlink:to="us-gaap_ClassOfStockDomain_1061_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofChangesinShareholdersDeficit" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember_1080" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1086" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember_1084" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1085" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember_1079" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1082" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_1097" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember_1081" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding_1099" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1083" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis_1078" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1087" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1077" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_1098" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityAccretionToRedemptionValue" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_1090" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1086_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1082_default" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain_1082" xlink:to="us-gaap_AdditionalPaidInCapitalMember_1080" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1083" xlink:to="us-gaap_ClassOfStockDomain_1086" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1086" xlink:to="us-gaap_CommonClassAMember_1084" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1086" xlink:to="us-gaap_CommonClassBMember_1085" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain_1082" xlink:to="us-gaap_CommonStockMember_1079" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis_1078" xlink:to="us-gaap_EquityComponentDomain_1082" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1087" xlink:to="us-gaap_NetIncomeLoss_1097" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain_1082" xlink:to="us-gaap_RetainedEarningsMember_1081" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1087" xlink:to="us-gaap_SharesOutstanding_1099" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1077" xlink:to="us-gaap_StatementClassOfStockAxis_1083" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1077" xlink:to="us-gaap_StatementEquityComponentsAxis_1078" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems_1087" xlink:to="us-gaap_StatementTable_1077" />
    <link:definitionArc xlink:type="arc" order="15.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1087" xlink:to="us-gaap_StockholdersEquity_1098" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1087" xlink:to="us-gaap_TemporaryEquityAccretionToRedemptionValue_1090" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1083" xlink:to="us-gaap_ClassOfStockDomain_1086_default" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementEquityComponentsAxis_1078" xlink:to="us-gaap_EquityComponentDomain_1082_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/SignificantAccountingPoliciesScheduleofClassAOrdinarySharesSubjecttoPossibleRedemptionReflectedintheBalanceSheetDetails" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ClassAOrdinarySharesSubjectToPossibleRedemptionMember" xlink:label="szzl_ClassAOrdinarySharesSubjectToPossibleRedemptionMember_1205" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_ProceedsAllocatedToPublicRights" xlink:label="szzl_ProceedsAllocatedToPublicRights_1208" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1764" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_1209" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_1207" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1204" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_1210" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityByClassOfStockTable" xlink:label="us-gaap_TemporaryEquityByClassOfStockTable_1203" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_1211" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityLineItems" xlink:label="us-gaap_TemporaryEquityLineItems_1206" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1764_default" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1764" xlink:to="szzl_ClassAOrdinarySharesSubjectToPossibleRedemptionMember_1205" />
    <link:definitionArc xlink:type="arc" order="13.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TemporaryEquityLineItems_1206" xlink:to="szzl_ProceedsAllocatedToPublicRights_1208" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1204" xlink:to="us-gaap_ClassOfStockDomain_1764" />
    <link:definitionArc xlink:type="arc" order="14.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TemporaryEquityLineItems_1206" xlink:to="us-gaap_PaymentsOfStockIssuanceCosts_1209" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TemporaryEquityLineItems_1206" xlink:to="us-gaap_ProceedsFromIssuanceInitialPublicOffering_1207" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_TemporaryEquityByClassOfStockTable_1203" xlink:to="us-gaap_StatementClassOfStockAxis_1204" />
    <link:definitionArc xlink:type="arc" order="16.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TemporaryEquityLineItems_1206" xlink:to="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_1210" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_TemporaryEquityLineItems_1206" xlink:to="us-gaap_TemporaryEquityByClassOfStockTable_1203" />
    <link:definitionArc xlink:type="arc" order="17.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TemporaryEquityLineItems_1206" xlink:to="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_1211" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1204" xlink:to="us-gaap_ClassOfStockDomain_1764_default" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://sizzlespacii.com/20260331/role/UnauditedCondensedStatementsofOperationsParentheticals" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_OptionUnitsMember" xlink:label="szzl_OptionUnitsMember_1735" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_PublicUnitsMember" xlink:label="szzl_PublicUnitsMember_1734" />
    <link:loc xlink:type="locator" xlink:href="szzl-20260331.xsd#szzl_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1786" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1727" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassBMember" xlink:label="us-gaap_CommonClassBMember_1728" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1780" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1733" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1726" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1729" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1725" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1730" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1732" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1727_default" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1733_default" />
    <link:definitionArc xlink:type="arc" order="84.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1733" xlink:to="szzl_OptionUnitsMember_1735" />
    <link:definitionArc xlink:type="arc" order="83.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1733" xlink:to="szzl_PublicUnitsMember_1734" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1729" xlink:to="szzl_UnitsIssuedDuringPeriodSharesNewIssues_1786" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis_1726" xlink:to="us-gaap_ClassOfStockDomain_1727" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain_1727" xlink:to="us-gaap_CommonClassBMember_1728" />
    <link:definitionArc xlink:type="arc" order="85.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1733" xlink:to="us-gaap_OverAllotmentOptionMember_1780" />
    <link:definitionArc xlink:type="arc" order="82.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1732" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1733" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1725" xlink:to="us-gaap_StatementClassOfStockAxis_1726" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="true" use="optional" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems_1729" xlink:to="us-gaap_StatementTable_1725" />
    <link:definitionArc xlink:type="arc" order="11.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems_1729" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_1730" />
    <link:definitionArc xlink:type="arc" order="12.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable_1725" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1732" />
    <link:definitionArc xlink:type="arc" order="10.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis_1726" xlink:to="us-gaap_ClassOfStockDomain_1727_default" />
    <link:definitionArc xlink:type="arc" order="82.00" priority="1" xbrldt:closed="false" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1732" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1733_default" />
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-roles-2026.xsd#eedm1" xlink:type="simple" />
  <link:definitionLink xlink:role="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:type="extended" xlink:title="definitionLink">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ChiefFinancialOfficerMember" xlink:label="us-gaap_ChiefFinancialOfficerMember" />
    <link:definitionArc xlink:type="arc" order="0" priority="1" xbrldt:closed="true" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="us-gaap_ChiefFinancialOfficerMember" />
  </link:definitionLink>
</link:linkbase>
