This meme/joke/what-have-you refers to an episode of Freakazoid. The villain is a hooded bogeyman named...well, I can't say it, or else. See, he can't get you unless you say his name. Once you say his name, though, he comes to take you away, and you (your post, anyways), will never be heard from again.
He can also get you in the IRC Channel, so be careful.
So be careful, when you post, don't ever type in "Candlejack", or you mi