puppy fat
US /ˈpʌp.i ˌfæt/
UK /ˈpʌp.i ˌfæt/
1.
fat on a child's body that disappears as they get older
:
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She still has a bit of puppy fat, but she'll grow out of it.
•
Many children have puppy fat before they hit their growth spurt.
fat on a child's body that disappears as they get older