Top definition
A rare medical condition which involves one half of Siamese twins passing away at birth, thus permanently attaching the corpse to the other one's head.
- Oh my god, dude! He's got a dead fetus on the side of his head!
- Yeah, I know. It's called Conjoint Twin Myslexia. Now stop staring at it.
- Yeah, I know. It's called Conjoint Twin Myslexia. Now stop staring at it.
by ct^ April 30, 2005