shotgun Japanese Meaning

...hotgun and proceeds to blow the guy away. The truck driver asks him why he did that. The bartender said not to worry, the nerds are overpopulating Silicon Valley, and are in season now. You don-t even need a license, he said. So the truck driver finishes his beer, gets back in his truck, and heads back onto the freeway. Suddenly he veers to avoid an accident, and the load shifts. The back door breaks open and computers spill out all over the freeway. He jumps out and sees a crowd already forming, grabbing up the computers. They are all engineers, accountants and programmers wearing the nerdiest clothes he has ever seen. He can-t let them steal his whole load. So remembering what happened in the bar, he pulls out his gun and starts blasting away, felling several of them instantly. ...