When there is a girl that has done you wrong or that you just don't like and someone brings up her name; this is what some people wont say, but everyone thinks in their head when someone says their name.
Also a song by Young Dro.
P2) Nah, Fuck Dat Bitch! She the hoe that stole my boyfriend from me senior year.
P1) hey you heard Young Dro's song FDB?
P2) Yeah, after Sasha cheated on me I been bumpin that ish in my car.
Mainly, if you are angry, upset or unhappy with a bitch or bitches, use this phrase to express yourself.
Guy 2: Ya know what? FDB, man.
Guy 1: Yeah, fuck dem bitches, let's hit up some other ones.
popin an ass FDB
gettin the crazy bitch hoe on the bed and makin her to bend hur sorry ass over and then u stick your huge sweaty cock up hur ass adn get hur gutssss!!!! (ouchh)
o yea logans a pimp and this is the best fucken word ever peace outt niggaaa