A very slutty girl. A girl the frequently has sex with many different men. This is not to be confused with a girl who gives head often,
hand jobs or any other form of hooking up that is below sex. Generally a cock
pocket is an unattractive girl. This word can also be used to refer to a
vagina
Guy 1: "
Dude, Samantha is such a massive slut, she sleeps with anything with a cock."
Guy 2: "Yeah, she's a fucking cock
pocket."
"Her cock pocket was so
wet!"