Top Definition
A girl who thinks she is a good girl because she hasnt lost her virginity, but she will do everything else, such as oral sex, hand jobs, the whole 9 yards... but not all the way... she will do everything BUT SEX
Guy#1: Man i cant get my girlfriend to come off of it, its horrible, i have needs ya know?

Guy#2: So she will suck your ding dong, give you hand jobs, and let you finger her in the butt...... but she draws the line at vaginal penetration?

Guy#1: It appears that way, yes.

Guy#2: Ha ha your girlfriend is a But Fucker
by the40yearoldpirate March 03, 2009
to fuck in the but
They called him a but fuckers when he walked out the room
by claytondigga October 25, 2008
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