 Slap fighting was once a... Has Will Smith entered any tournaments? Says Gregory O'Shannock, medical director at the Brain Injury Association of America. You can imagine how they feel about this. This is not a sport, okay? This is an event. A sport is a contest of athleticism or skill. This is merely your physiological ability to withstand blunt force trauma to the head. It's like seeing how many times somebody can run into a brick wall.