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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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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Something Chuck Norris never opens, because he makes his own.
Person 1-"Don't make me open a can of whoop ass on you!"
Chuck Norris- "I make my own."
*Chuck Norris beats the crap out of person 1*
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Analogous to opening a can of whoop ass. A dangerous substance, usually found packaged inside cans. When released, can cause a major sass attack to the person it is intended for, and is often used as a weapon of sass. 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.
Person 1: "Man you sassed Ms. Shaniqua hard today"
Person 2: "Yeah i opened a can of whoop sass on her ass today"
by Ebok24 August 24, 2009
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One of the most over used and lamest of all sayings. Bears little meaning anymore. In the same outdated category as terms "dont go there" and "talk to the hand"
Jimmy:"You better watch it or I'll open up a can of Whoop ass".

Billy:"You better watch out that the year 1992 has discovered you have ventured into the future."
by d November 29, 2003
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