Big Fat Ass. A person who has a gigantic ass beyond the level of bubble butt, a full-blown fatass's doublewide ass. Usually refers to women, especially blacks, hispanics, and soccer moms.
The cushion of Paul's chair had been completely blown through by a B.F.A.
Verb: the ultimate tactic for successfully wooing boys. The letters stand for Forward, Aggressive, Shameless, and just a little bitcreepy. It's going for what you want when you want it, not letting anything get in your way, and not being afraid of what you want. It's ignoring the ramifications which may surround any social stigmas attached to this non-traditional method. Essentially, go get him girl.
"The other day, I got out of class early just to be able to walk with the guy I like on his way to class. I asked him out after, and he said yes!"
"Wow, that was some great F.A.S.C. -ing!"
A second option to using the word BAMF(Bad Ass Mother Fucker). BAPF is an acronym standing for "Bad Ass Puppy Fucker". Used in usually a more sick matter than BAMF.