Definitions by SM4R+ii3

Hairfuck 

v. When a male sits on the females shoulder blades or the females back of her neck a thrusts their hips back and forth with the erect penis inside the females hairbun.

"He asked for a hairfuck and got to fuck her hairbun till he came on her hair."

Hairfuck by SM4R+ii3 July 6, 2009