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1.
Noun. A facebook message that sucks, often due to its level of gayness.

Verb. To suck at facebook, for example by sending only messages that are boring and/or totally gay.
Girl 1: Did you hear Colleen got engaged?!

Girl 2: I know, yawn. She sent me the gayest facesuck.

Girl 1: Yeah, Colleen sucks in real life and she facesucks.
by newsvava February 11, 2009