maybe he's one of those circus freaks that can swallow a sword. that's a mighty long sword to swallow. and i'm sure it would hurt a lot. i guess you wouldn't be able to carry it around like that, though...

lol, you see sephiroth walking around completely stiff bodied, with a blade and handle sticking out of his mouth. LOL how does he see where he's going? *trips, falls, blade cuts open sephiroths insides, sephiroth dies, meteor was never summoned and nothing happens*