you're on!

An exclamation of agreement to something that was said or that is happening, often (but not always) a challenge or a wager. A: "Want to see who can run to the end of the road the fastest?" B: "You're on!" A: "I bet you $50 that my team beats yours in the championship." B: "You're on!"

Common Names:

Name	Pronounced	Usage
Nicolas	nee-ko-LAH	French
Csenge	CHENG-ge	Hungarian
Herron	['herən]
Martine	mar-TEEN (French), mahr-TEE-nə (Dutch)	French, Dutch, Norwegian
Abd Al-Qadir	-	Arabic
Joie	[dʒɔi]