Probably went over a bump or something...
Vincent: Oh man, I shot Marvin in the face.
Jules: Why the **** did you do that!
Vincent: Well, I didn't mean to do it, it was an accident!
Jules: Oh man I've seen some crazy azz **** in my time...
Vincent: Chill out, man. I told you it was an accident. You probably went over a bump or something.
