The state of being which someone possesses when they've never grinded before
Can be used for girls or guys
Most people lose it in their later teens, but this can vary
Everyone remembers the night that they lost it, usually as one of the best nights of their life
Guy: Dude I've never been to a club before how do I...
Guy 2: Go grab a chick and see for yourself
Guy: Ah there goes my grinding virginity