A woman (usually white and for no reason) who overuses slang and trys to look gangsta but sounds ridiculessly stupid doing it.
AKA a female wigger.
Man 1: Dude why does Julie talk like fucking retard?
Dude: She's a "Gangsta Bitch".
Man 1: Word!
A Female with a reputation for violence and Crime. Generally a Dyke in nature but not limited to that variety. This type of female tends to have an extremely foul and vulgure mouth, knows the words to G-Unit songs, and flips the Bird in almost every photograph taken. Her idea of fun is taking her son shopping for a Gun.
I dated a gangsta bitch who called me diamond because me dick was her best friend.