(Noun): A vague derogatory term used to deride someone else. Usually used in a sarcastic manner but in good spirits. Often blurted out in frustration during video game play. Used mainly by Erik Cosgrove, this phrase epitomizes his slow decline into dislike among his group of friends.
My freind Ethan, who has become "emo" in out look in life and dress, is a Fagmonster. He absorbs other people's gay, and sends it out as his own, giving off homosexual vibes for miles from his hill billy house.