When I was in high school many years ago we had a neighbor kid driving around with his girlfriend throwing M80's out the window of the car around a neighborhood. One hit the door and bounced back inside the car (ElCamino if I remember right). It went off in the car. He has a big stash of M80's under the seat. Flattened the car, killed the girl friend and nearly killed the kid who was driving. He survived eventually but I always wondered if he would ever be able to have kids. Bad deal. Car was basically leveled to the frame.

Edit: may have been after high school a year or two. Been so long ago can't remember for sure. The guy was a few years older than me and lived a couple miles away.