a can of whoop-ass(redirected from a can of whoop ass)
a can of whoop-ass
rude slang An instance of physical violence (against someone). Usually used in a jocular or pseudo-serious threat. If that punk doesn't shut up soon, I'm gonna have to go over there and give him a can whoop-ass! Don't make me open a can of whoop ass on y'all.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.