Sean should have known something was coming. And perhaps he did, but the closed fist to the jaw was still a surprise, and it made his teeth clack together. His feet decided to not stay planted on the floor, and down went Sean. Despite the many times he'd ended up on his ass that day, bungled on the fall. He swore he saw stars and birds from his head bouncing off the floor.
He groaned and sat up slowly rubbing the back of his head. "Dude."