Top Definition
Derived from "knocked up", this term describes a woman, usually a slim one, whose post-meal stomach bulge leads to her being mistakenly thought pregnant.
"Congratulations! Do you know if it's a boy or a girl?"

"It's a double cheeseburger and fries. I'm not pregnant, just snacked up."
by Leeloo Dallas Multipass July 15, 2013

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