1. A person that farts repeditivley during anal sex, not to be confused with someone whom occasioally farts during butt sex, as it must sound like an accordian going in and out repeditivley. ( a curious sloshing air noise)
2. A term used to insult a whore.
1. That bitch was a fart fucker, I had to stop fucking her in the ass.
2. Fuck that fartfucker whorebag!
A "FratFucker" is one who joins a fraternity... period. 99% of frat members or "brothers", are womanizing assholes who need to pay to have friends. Usually also have a small penis, or a weak personality, and use a fraternity to make themselves feel wanted or special.