Like air guitar, but with sexFake fornicating is the name of the game at the air sex world championships, where participants pick out a tune (R. Kelly numbers have been known to excite) and simulate the deed with an imaginary partner. The kicker? A live audience and panel of comics and sex professionals will appraise your every maneuver, so keep it somewhat kosher (no nudity). Who can best gyrate their way into your heart? You be the judge.