Last week, we featured a story about the 2010 Air Sex Championships. Because you can never have enough air sex, we figured we’d give you a little more information on the annual competition.

Air Sex was invented in Tokyo (where else, right?) in 2006, reportedly by a group of bored men without girlfriends. The goal is for clothed men and women to stimulate sexual activity on an invisible partner in a competition before an audience. Think of it like air guitar — only with sex. Our friends from the OnlineDating Blog elaborate.