Rusty Old Cunt Slut

(Noun) A nasty, old bitch who sluts her saggy cunt about, usually in the direction of defenceless young men.

Distant inbred, sluttier cousin of the Cougar. Also related to the younger version (Cunt Slut)

Man 1: "Hey dude wtf is that thing over there?"
Man 2: "Oh shit. Be very quiet, that's Nancy, she's a Rusty Old Cunt Slut. Let's get the fuck out of here"