whoop ass 

\`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!"

whoop ass by Comic Relief February 27, 2005

Whoop Ass 

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!

Whoop Ass by tard-o-licous July 2, 2009

can of whoop-ass 

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

If I don't get my way, I'm going to open up a can of whoop-ass.

can of whoop-ass by Blackmac November 24, 2003

can of whoop ass 

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!

can of whoop ass by mandingoh December 10, 2004

six pack of whoop ass 

The act of opening a whole six pack of whoop ass instead of merely a can.

I'm gonna open a whole six pack of whoop ass on you, you little punk.

six pack of whoop ass by Tony666 February 17, 2008

Opening a can of whoop-ass

(Verb) The act of unleashing a beat-down upon a human being

The drunk dumbfuck wouldn't stop talking shit, so I began by opening a can of whoop-ass on him; now he's being treated for a broken jaw.

Opening a can of whoop-ass by HurricaneLayne December 30, 2009

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 whoop-ass by anonymous N June 26, 2009