1 definition by Comic Relief

Top Definition
\`whoop 'ass\ n.

A dangerous substance, usually found packaged inside cans. When released, can cause major damage to the person it is intended for, and is often used as a weapon of destruction. More often the user warns the recipiant of an imminent opening of a can, if the recipient does not act as desired by the opener.
"If you don't shut up i'm gonna open up a can of whoop ass!"

"If you go ahead with that plan, you're gonna see me open up a can of whoop ass on you!"
by Comic Relief February 27, 2005

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