Top Definition
An exclamation of disgust or disapproval.
"Hey, you want a bite of my peanut-butter and kielbasa sandwich?"

"BOOSCH! That's nasty!"

Or

"Yo... Condoleeza Rice is totally HOT"

"BOOSCH, dude! You need a new prescription!"
by Michael Gerber March 15, 2007
1.Saying something rude to someone like bitch, idiot, dumbass, the list goes on.

2.An insult.
1.Don't be a boosch!


2.Don't hit me stupid boosch !
by melaniejay567 August 28, 2008

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