Last year, I had a senior student who was a douche bag jock. He constantly disrupted the class and was failing. In order to play in Friday's game he needed to retake quizzes (which I don't allow). I offered him a chance to retake them, if he let me punch him in the stomach. It felt great, and he never missed a single class again. He passed with a B. He was much smarter than he was pretending to be