A virtual sport where people go through the motions of pretending to have sex.
Okay, we should probably create a separate category for weird Japanese WTF trends. Maybe in ten years, air sex competitions will be the karaoke of today.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.