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
Kiril	-	Bulgarian, Macedonian
Case	[keis]
Evadne	-	Greek Mythology (Latinized)
Stefcia	STEF-chah	Polish
Florianus	-	Ancient Roman
Nubia	-	Various