Can of Whoopass

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

can of whoopass

basically it means when someone or you are threatening someone that you're gonna kick their asshole to the moon, ya jew-tard

Bob: fite me nigga
Joe The Fitness Trainer: don't make me open a can of whoopass bitch
Bob: I just did though