Facecrooking
A person who does the worst, dirtiest, most annoying stuff on Facebook, like a monster in a digital world.
My friend is a total Facebook monster. He posted a comment on my wall that said 'You're ugly and you know it.'
My ex is a Facebook villain. She posted a comment that said 'You're a total loser.'
My cousin is a Facebook beast. He posted a comment that said 'You're the worst.'