Definitions by Kid25

USY 

U.S.Y
Usually
Sexually
Active.

a person who loves sex or make out or anything with 2 couples doing something that involves having body parts in each other, or trading saliva, uses their charm to get and meet people.

Dude hes such a USY, you shouldve seen all those chicks after they came out of his room. they were fucking dramatized they have never felt the best sex.

Dude shes such a USY, she just came up to me pulled down my pants and sucked me.

USY by Kid25 January 10, 2010