open (up) a can of whoop ass (on someone)

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open (up) a can of whoop ass (on someone)

rude slang To commit, engage in, or threaten physical violence (against someone). Sometimes said in a jocular or pseudo-serious manner. If that punk doesn't shut up soon, I'm gonna have to go over there and open up a can of whoop ass! My old man was the toughest guy in town when he was alive. He could open a can of whoop ass on anyone!
See also: ass, can, of, open, whoop
Farlex Dictionary of Idioms.
See also:
  • whoop
  • Shut your face!
  • shut your mouth/trap/face/gob!
  • shut your mouth
  • Shut your cake hole!
  • shut your trap
  • Shut your trap!
  • shut your yap