I've been contemplating this for a while now, and I still can't imagine how the fuck this is possible.

http://www.cnn.com/2005/US/01/16/nailgun.accident.ap/index.html

Omg... Ya, how is that possible? Shouldnt it have been bleeding alot or something? He sure was lucky anyways...

I've seen this happen (not in the mouth though). Pneumatic nail guns make a loud pop sound and recoil on each shot. People would get shot in the arm by a misfire, have a nail 3 inches into their forearm, and not notice it for hours. Wasn't uncommon at all.

I guess the shock of the recoil masks the impact of the nail, and the speed that the nail enters makes the pain relatively minimal and the wound small/tight enough not to bleed around the nail.

Into the mouth/brain.. I dunno. Maybe the fact that he had a nail sticking in his brain and it didn't have any noticeable effect says a lot.

I could understand how he might get distracted from the pain of the nail. There aren't that many nerves in the roof of your mouth, and very few/none in your skull/brain. I'm more concerned about how it managed to get in there at that particular angle...

I think he got the point, though.

Ha, geddit? Point.. ha.. uggghhh.