According to the description, the video was taken at a Mardi Gras celebration in Galveston.
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The older cop with the dope-ass moves is doing a dance called The Wobble Dance," based off the song "Wobble" by southern rapper V.I.C.
Here are a few vines of people doing "The Wobble Dance" for comparison.
...Including this dog.
And it cannot be confirmed, but we can only hope, that this is the same cop dancing in a video from February.
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Keep on dancing, Wobble cop.
