open a can of whoop ass

Alternative forms

 * open a can of whup ass, open a can of whoop-ass, open up a can of whoop ass, open up a can of whoop-ass

Etymology
From English whoop (variant of whip) + ass.

Verb

 * I'm gonna open up a can of whoop-ass on ya.
 * I'm gonna open up a can of whoop-ass on ya.