The popularization of the big inflatable exercise ball – sometimes known as the Swiss ball – has been one of the biggest fitness fads of the 21st century. It seems like every home has at least one of these things floating around, to be used with yoga or Pilates or some other dimly-remembered exercise regimen. But the vast majority of Americans really don’t have any idea what to do with an exercise ball after they buy one, which leads to some ridiculous ideas. Watch this hilarious compilation of videos where people deploy their big balls in a variety of very ill-advised ways.Get your balls in the game! Donate to the Sean Kimerling Foundation to win the battle against testicular cancer.