1.) A guy who goes from girl to girl, just for the sex. He sleeps with several different women and is not looking for any form of commitment.
(Anti-homophob Note: Gays can be manwhores too.. they just sleep with men instead =3)
2.) A guy who has a history of cheating.
3.) A guy who's just in it for the sex: no being tied down, will ditch as soon as the chick starts to get attached. Basically, they only want casual sex and no serious relationships of any sort.
That manwhore dumped me after I said I loved him.
That manwhore dumped me after I said I wanted to wait for marriage before having sex.
That manwhore cheated on me with three other sluts.