Watch out. There's a massively viral dance craze happening on YouTube right now, and it's not Gangnam Style anymore. (Thank goodness.) The Harlem Shake is upon us, which is "an eccentric upper body dance move that involves the shaking of the upper torso and shoulders" as defined by Urban Dictionary.
The story goes something like this. American producer Baauer uploaded a track called "Harlem Shake" to YouTube on August 23, 2012. It wasn't until February 2, 2013, when YouTube user DizastaMusic uploaded a crazy video of a bunch guys in masks and Power Ranger outfits bustin' a move to Harlem Shake. From there, other parodies started popping up all over the place and today the Harlem Shake has basically been dubbed the next big, weird viral trend.
If you've got some time to kill, search "Harlem Shake" on YouTube to see all the parodies. And if you don't have that much time to kill, you can go for the TL;DR Edition, which is one YouTube video featuring 49 different Harlem Shake videos stitched together into one huge awkward dance party.
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Photo: Screenshot of YouTube.com