When rap sensation Soulja Boy came out with his namesake hit "Crank That (Soulja Boy)" in 2007 you could walk past a single neighborhood block without witnesses at least one kid out in his driveway practicing the arm swishes and leg pops.
Even three years later, the Soulja Boy crank is still one of the most popular and widely known hip hop dance moves around. If you want to learn it for yourself, check out this dance tutorial.
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