Definitions by Russ3llTLM

bup 

The toddler version of poop

Me: Hi baby! Did you bup? Baby: Bup! (after checking) Me: WOOT NO BUP!!!

Toddler running around, stops, frowns, Baby: BUP!

her: *sniffs* OH GOD HE BUPPED!

bup by Russ3llTLM December 31, 2017