English

Phrase

it's on

1. (colloquial) An implied conflict is starting.
   • 1959: Girls Town (film)

     [A man from a competing gang throws a drink in Fred's face, just before a fight begins.]

     Fred Alger (Mel Tormé): It's on!

Usage notes

Used as an announcement of a (usually physical) fight between two increasingly hostile groups, typically stated by one of the parties to the fight.

Related terms

• bring it on

Derived terms

• on like Donkey Kong