Boning Out Edit Meaning

1. A Zipper-Head is one who still believes that the earth in the center of the Universe and that Humans never evolved as Science has proven..

1. A sexual position where the male is behind the female who has one leg up(on a chair, stool etc.) and the other normally on the floor so ..

1. K.A.B.F is short for Knee Buckling Ass Fuck. Often times used in a derogatory way towards someone. "God damn Mary needs a good K.A..