noun; generally a young male belonging to a fraternity who regularly behaves in an asinine manner and frequently shows his blatant disregard for women, and thus is undeserving of a cooler
Rick invited me to Delta Sig formal in New Orleans, but he's a fuckboy, so he won't be getting a cooler this year.
A person (usually male) who can only think about fucking, rendering them stupid. OR someone who constantly fucks shit up. OR a man only good for fucking, because they are so stupid.
A guy who tries to get with everyone. A player. A guy who will lie to a girl to make them hook up with them or send pics. They think they are the shit when they aren't. A guy who will only date a girl for their body. A total ass. A guy that will make a girl cry and laugh, and a guy who lies when they said I love you.
A fuckboy is a guy who only wants one thing from a girl. He'll act all sweet and nice and then as soon as he gets what he wants he completely changes his act. No calls, texts, nothing.
Girl: God that guy Liam is such a fuckboy
Girl 2: I know, he did the same thing to me too