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A can "opened up" on someone annoying you. Also comes in permutations of diet, caffeine-free, vanilla, all kinds of fruit flavoring which doesn't really taste like fruit, half-calorie, invisible, Dr. Whoopass, energy-formulated, and the New Whoopass, the last being hated by everyone so the company can make millions when people want to open up a can o Whoopass Classic.
Don't make me open a can o' whoopass!
whoopass by Xyzzy February 24, 2005

can of whoopass 

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!
can of whoopass by Danbridge November 22, 2006

diet whoopass 

Chester: I'm going to kick you ass for some reason!
Simon: Please, sir, I'm a diabetic!
Chester: Okay, sport. I respect your ailment. Okay, now just give me your arm. It's indian-burn time!
Simon: Wow you really opened a can of Diet whoopass on me! I recognize!
diet whoopass by Simon and Chester December 4, 2003
Whoopas (pronounced like humus but with a whoop instead of hum) is a faster and family friendly way to say whoop ass.
I'm bout to open up a can of whoopas
Whoopas by M00$375 August 22, 2019

Whoopachang 

1. To kick one's ass; to act forcefully to achieve a desired result. 2. To win or rebut over someone.
Albert: Your such a bogan
Elizabeth: What!? I'll whoopachang your ass!

Whoopadillar 

another way to admit a mistake, it is like saying shoot.
whoopadillar I missed my turn.
Whoopadillar by Alex Montaloya April 8, 2012