In rap it describes the classic amazon that eldridge cleaver spoke of in soul on ice. When they use the word hoe they describe the qualitys about black women that dont make them feminine. So check yourself if you think acting black or hoochie is a style or trend coming from hip hop culture. When they say hoe they are talking about you.
Scarface in an interview was asked why he calls women hoes. He says its to describe a certain type of woman. He points out that the female interviewer is a lady, dresses like a lady and sits with her leg crossed. He then leans back and goes. We got women that sit like this, then spreads his legs, like how a man sits back relaxed.