Top Definition
Acronym for 'BEtween Shits Ass Wipe'

Necessary to prevent swamp ass from eating a hole in your shorts, especially on hot summer days and / or during bouts of extreme flatulence.
Person 1: I'll be right back- just have to run to the bathroom

Person 2: Hurry up! We're running late!!

Person 1: Don't worry, I'm not taking a dump or anything - just need a quick Besaw and we will be on our way.
by vinceums April 11, 2008
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