A sex act, in which the female straddles the male and proceeds to quickly move her head in a circular motion, making her hair "whip" accross her partner(s) face.
See kinky

n : When you have long hair and you flip it in a circle repeatedly.

Coined by: We The Kings

Gay slang, the act of one, usually a drag queen, styling the hell out of a wig or other series of synthetic hair pieces.

A hair whip is hair that is in some sort of braid or a pony-tale that whips you in the face when a person quickly moves his or her head back and forth quickly.