1 definition by Crazy Motherfucker

A dance most popular on YouTube that is worse than Gangnam Style. At the video beginning one person is dancing. Anyone else in the room are either still/simply not paying attention to the masked dancing.When the bass drops, everyone else joins in on the dancing.
"Have you seen the new Harlem Shakes on YouTube?"

"No the Harlem Shake is for idiots!"
by Crazy Motherfucker February 14, 2013
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