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
Khorshid	-	Persian
Gocha	-	Georgian
Elmo	EL-mo	English, German, Italian
Verochka	-	Russian
Carlos	KAHR-los (Spanish)	Spanish, Portuguese, Catalan
Abhilasha	-	Indian, Hindi