look up any word, like donkey punch:
 
15.
bf
blue film generally refered to a porn movie
I saw a bf last night
by kumara July 06, 2005
 
16.
BF
On a pregnancy chatroom/discussion board, BF is shorthand for BREAST FEEDING
hey all you Bf-ing moms out there: is it okay if I drink coffee?
by WinnieNY February 20, 2007
 
17.
bf
see also blue falcon
prnounced 'bee-eff'
by Sidmystic July 17, 2003
 
18.
BF
British Fuck. This expression is used in areas (within the UK or abroad) where British people are present and you want to talk about them (and their annoying habits, physical appearance, etc) without them knowing and without appearing rude.
Look at that table full of disgusting BFs. Are they going to eat all of those sausages?
 
19.
bf
boyfriend. gf is girlfriend, and BF is best friend, because your best friend should always come before your significant other, regardless to your commitment level.
person 1: "what did you do this weekend?"

person 2: "oh, I went out with the bf."
by miriam February 18, 2004
 
20.
bf
"Bitchy Face". A girl with an extremley bitchy face.
Did you see her at the mall today? Damn, she has a bad case of BF.
by unkown May 27, 2003
 
21.
bf
battlefield

as in the game by EA.
lets all play bf :|
by [Cyanide] March 31, 2004