Hood Rats is a urban expression for drunken bitches aka. hoes aka. skunks
this expression refers to women that are easy to get in bed with. as easy as that.
"So what you just got to do is just get you a bunch of these hood rats run through them, just knock them out. Boom, boom, boom. And once you've done slayed like all of them hood rats now you ready to go up to the upper echelon type ho. You know what I mean?" - Jay, "40 year old virgin".