Guy-Skank
A guy who generally goes out to clubs looking for girls to sleep with. One who hooks-up with many girls and is often proud of it, usually bragging about his conquests.
Girl #1: Gary went home with Kim on Saturday night and the next night he hooked up with Jean.
Girl #2: I know, he's such a guy-skank!
Girl #2: I know, he's such a guy-skank!