What we did, is we would go on the tire swing and get it going really fast in a circle (not the ones on a tree, the ones at the playground) and then stand up and let go with our feet and hang on with our hands so we'd be flying. The only danger was slipping and hitting the metal support poles.
if you fucked up your teeths, your childhood must of been kinda of horrible?
We both face planted into the ground.