To have a erect penis thrust between boobs squeezed together
I totally boob fucked my girls' girls last night if you know what I mean
by knowitall77 December 13, 2010
v.When a male has sexual intercourse with just one of a females breasts, usually the male is pointing and pushing the erect penis directly at or into the females nipple and has sex with her breast.
"That guy got to boobfuck his girlfriends larger boob directly into and against her nipple."
by big boob fucker December 22, 2009