(n.) - One who is either unable or too lazy to procure his or her own pussy, and subsequently hovers around abandoned or vulnerable pussy and makes repeated attempts to swoop in and claim it. "pussy vulture" is an acceptable variant.
Guy 1: "Bob's been awfully nice to Jane today. He got her coffee this morning, took her to lunch, keeps stopping by her cubicle..."
Guy 2: "Well, that's because she just broke up with her boyfriend the other day."
Guy 1: "Man, he's a pussyvulture."