Top definition
A can of whup-ass so powerful that once the can opener unleashes it's fury, they themselves will black-out and have no memory of what just happened.
Guy1 Coming to from blacking-out Dude, what just happen?

Guy1's friend: Man you just opened up Whupasspocalypse on those guys!
by Sage Guardian January 26, 2015
Get the mug
Get a Whupasspocalypse mug for your fish Riley.