A new dance phenomenon that's rated PG for bar mitzvahs and weddings and such. We'll let you know when we release our own Crank Dat BuzzFeed music video.
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.