(Verb) The act of unleashing a beat-down upon a human being
The drunk dumbfuck wouldn't stop talking shit, so I began by opening a can of whoop-ass on him; now he's being treated for a broken jaw.
by HurricaneLayne December 30, 2010
Get the Opening a can of whoop-ass mug.
To unleash fury and anger, in the form of whooping ass
When Tom found out his friend Bill was nailing his girl, he solved the issue by opening up a can of whoop ass on Bill.
by EatingTacosRightNow January 3, 2016
Get the opening up a can of whoop ass mug.