It does not mean anything. It was invented as a practical joke. Anybody who thinks or suggests or falsely tries to pretend that it actually stands for something is by definition insane and evil and should be cut in half with a scythe.
um, I'm obvoiusly not part of this little club, but it obvouisly means good answers budddies, so you should try not 2 b so bate if u want 2 keep it a secret so much.