you're on

English edit

	A user suggests that this English entry be moved, merged or split.
	Please see the discussion on Requests for moves, mergers and splits⁽⁺⁾ for more information and remove this template after the request has been fulfilled.

(informal) Used to indicate acceptance by the speaker of a proposal or challenge, especially a competitive one.
Let's play a game of chess. ― You're on!

"I accept your challenge"