1. A gang of the toughest, fiercest girls you'll ever meet. They aways wield switchblades in their pocket and will cut you if you're not careful. Usuaully seen speaking in a thick dialect, a Switchblade Sistah is not to be messed with.
2. A fierce, tough female, with a lot of sass.
John: I was walking through 54th & Crenshaw and I was mugged.
Eric: Oh, you must've ran into a pack of Switchblade Sistahs. You better be careful next time.
Tina: Girl, you stabbed me in the back! I trusted you.
Joanne: Hun, I am a Switchblade sistah, what do you expect?