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1 definition by SM4R+ii3

 
1.
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."
by SM4R+ii3 July 05, 2009
10 16