Mainly used by Native Americans as a way of reacting after a funny moment. (key-ah) (kay-yay) (ge-yah-ha)
guy 1: "Fuck dude, I just copped the new j's."
guy 2: "Kyay! Dem fake af."
guy 1: "Naye! Your all wishing you had j's."
1. when someone kyay's you
2. when your penis is wrinkly
Aw man Adam, my penis is kyay.