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
Boipelo	-	Southern African, Tswana
Bidzina	-	Georgian
Elizabeta	el-eez-ah-BET-ah (Croatian)	Slovene, Croatian
Umberto	oom-BER-to	Italian
Berny	BUR-nee	English
JÁNos	YAH-nosh	Hungarian