A person of homosexual orientation, usually male, that thrives on sex with multiple partners, sometimes at once. This person is usually an excessive partier, and has very low self worth. If this person is not sleeping with a new partner each night, they are prone to bouts of serious depression. closely related to the term slam pig used to refer to permiscuous heterosexual women.
Dude that guy is super gay, and I heard he fucks every dick he sees. He sure is a Slamfag.
by slampig hunter July 02, 2010