It's true, some of the biggest fails involve the word swing. Whether you're on a swing at a playground, a zipline, a rope, or swinging a golf club or a bat...fails are inevitable. Face-planting, landing on your back, bellyflopping, or just plain getting hit in the head...getting into the swing of things, it is almost impossible to avoid the fail. We just can't stop laughing. Here are our favorite hilarious picks for swing fails.