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open up a can

Popular shortened version of "open up a can of whoop-ass," a statement generally used as a threat, but can refer to a beating/act of domination that occurred in the past.
1. "If ya'll don't stop your bitchin' I'm gonna open up a can!"

2. "I'm finna open up a can on your stanky ass"

3. "The kids were so out of control I had to open up a can right in the middle of the 7-11!"
open up a can by naborsG January 14, 2006
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Open up a can of whoop-ass 

What 'The Rock' does.
Rock:I'm gonna open up a can of whoop-ass on you

Open up a can of dumb-ass 

the self-inflicting nature of opening your mouth and saying things that are way out of line and inappropriate in respect to your current locale or circumstances; can also be doing some seriously stupid shit for your age.
Open up a can of dumb-ass: We went to the job site to complete our mission, but then our hosts opened up a can of dumb-ass by making a bunch of sexists remarks in front of one of our female teammates. That’s when we left the site, not before telling them that we will come back when they can act a bit more professional.

THIS AIN'T NO BEER BELLY; THIS IS A FUEL TANK FOR A WHOOP-ASS MACHINE THAT'S ABOUT READY TO OPEN UP A CAN ON YOUR ASS! 

what you say to somebody who makes fun of your gut, or says you've got quite the beer belly.

open you up like a can of beans 

When you imply that you will cut someone like you are opening a can of beans. Or if you mess with the horns you will get stabbed !!!
Keep that sh#t up bro and I will open you up like a can of beans !!!!
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Brent: he just tossed me a slop grenade
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