Retribution; or an act which manifests such. Commonly used in conjunction with the verb "to open up a". Also see whoop-ass and to get medieval on.
Are you going to quit whining, or am I gonna have to open up a can of whoopass on you?
by Sparkly Minx November 16, 2003
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A term used when telling someone that you are going to beat them badly. First coined by WWF wrestler Stone Cold Steve Austin.
Boy, you best shut up or i'm gonna open up a can of whoopass on ya!
by Danbridge November 22, 2006
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A blustery threat made by a loud bully boy just before he gets his own ass whooped by a REAL bumkicker.
Bruiser Boy: Hey, I'm going to open a can of whoopass.

Street Sweeper: (He doesn't say anything; he just whoops the Bruiser Boy's ass.)
by Bumkicker Slade April 30, 2005
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A moron's version of can of whoopass. Used by every idiot nerd at my school because they think it'll make them cool.
Nerd - 'Yo yo yo, I just opened up a can on whoopass'.
Me - 'You're a fag.'
*Beats nerd up*
by Nerdbeater May 16, 2004
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The can of whoopass is a term meaning to unleash great pain unto a target, specifically someone you have feelings against.
It ain’t gravy
Or clams
It ain’t the salmon or the processed ham
You just opened up a great big can of whoopass
by Literally Just A Toaster September 2, 2019
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