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1 definition by emoltra

Slender Man is a forced meme created by the users of the Something Awful forums, and makes frequent appearances in the forum GBS. Some users act like Slender Man is the most terrifyingly horrific thing ever invented by the human mind, when he is really just a creepy version of Mister Fantastic of the Fantastic Four.
Oh God not the Slender Man, he's shown up in this thread too!
by emoltra June 30, 2010