\`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 28, 2005
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You've obvs done something wrong, so someone will come and get you and beat you up litterly
Amy: I cant believe he dumped you! I'm gonna whoop ass him!
by tard-o-licous July 2, 2009
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noun - figure of speech meaning "act of violence" generally employed as "open up a can of whoop-ass," meaning to cause large amounts of pain
by Blackmac November 25, 2003
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Pursuing this course may cause fisticuffs to follow (on your ass).
Do that again and I'm gonna open up a can of whoop-ass on you!
by mandingoh December 10, 2004
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To much whoop ass to fit in a can~! (see: can of whoop ass
I'm about to tap a Keg o whoop ass on dat bizzotch
by Vexlxix November 17, 2003
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1. (n.) An energy drink that had a short-lived run in early 2000. Tasted like what is believed to be carbonated piss.

2. (v.) The metaphorical act of beating someone up.

3. (n.) A can (Or similar container, most often a barrel) in which a number of pseudo-torture instruments (I.E. Belts) are contained until the need arises. Most often kept by parents to use on delinquent children.
1. I bought that new energy drink I heard about. It tasted like piss!

2. Boy! I will open up a Can of Whoop-ass on you!

3. Son, don't make me open the the 'can' of whoop-ass!
by guy#3031204 July 11, 2008
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A sentence my mom uses when I give her smart mouth or even a bad tone.
Maybe even if I ask her a simple question.
Me : “Mom can I-

Her : “NO!!”
Also me : “accidentally gives her a smart tone”
Her : “Whoop ass time!!! GO GET THE BELT.”
by Tyler The Creators Daughter. December 17, 2019
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