He was enjoying his meal, when a gang of bikers walked in. They started bullying him, by dumping salt and pepper all over him, spitting in his coffee, and stealing his food. To their surprise, the truck driver did nothing, but pay the bill, and walk out of the diner.
As they are marveling about this, the waitress comes up to them. The biker gang says that the truck driver wasn’t much of a fighter.
The waitress then looks out into the night and says, “He doesn’t look to be much of a driver either. He just ran over 3 motorcycles.”