It is a blend between the slang swear words slutandwhore

a slutty whore.
a chick who cant keep her clothes on.
and who is constantly sexual.

a person who is a slut and a whore.

a slut and a whore. A chick who is easy. A girl who likes to have sex and is usually good at it.

a man slut/hoe/whore that thinks its okay to go around doing things with random chicks all the time.

A slutty Whore

Sloppy Whore, usually a drunk, sleasy chick at a bar. A girl who sleeps with anyone when drunk.