1 definition by GrantHamilton

Top Definition
V. When you do a raspberry on someone's butt cheek.

N. A game of grabass where you run around and try to do raspberries on each other's butt cheeks. Best if played on a cold ocean shore.
Megan played Fart Butt last night and lost big time.
by GrantHamilton January 29, 2006
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