(Noun) 1. A "man" who has multiple sexual partners, frequently defined at Monday, Tuesday, Wednesday, etc. etc.
2. A "man" who can't commit to one person, but will commit his dick to anything wet enough.
3. A "man" so dirty, even the Center for Disease Control won't touch him.
Justin: Well, let's see. Who should I pick to stick tonight? Eenie meenie miney ho.
80% of Female population: You're such a Man Whore.