grindee

Grindee (noun; pronounced grin-dee): In the act of grinding, a dance where a girl shakes and rubs her booty on a boy's crotch, the boy is typically considered the grindee and the girl is the grinder. (Person who's doing the ass moving = grinder, person getting ass rubbed on them = grindee)

Last night when I was the grindee as Becky was grinding on me.