Top Definition
Someone who is constantly posting/linking mean stuff on your facebook wall.
Guy 1: Did you see that mean stuff that chick wrote on my facebook wall?
Guy 2: Yeah man, what a facebook asshole.
Guy 1: Yeah dude, I bet she eats a lot of hot lunch
by ididyourmom6969 January 24, 2011
Someone who is always mean or rude on facebook, regardless of how they are in real life.
Kevin, for how nice of a person you are, you are a facebook asshole real talk
by Jameyf'nBaby November 07, 2010
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