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
Mirabelle	-	French (Rare), English (Rare)
Iset	-	Egyptian Mythology
Trafford	TRAF-ərd	English (Rare)
Franklin	FRANGK-lin	English
SigrÚN	-	Ancient Scandinavian, Norse Mythology, Icelandic
Rajib	-	Bengali