Do the Smurf, do the Wop,

from Nas – Made You Look Lyrics on Rap Genius

Meaning

These were early breakdances popular in the late 80s.

Smurf it, Wop it, do the Bus stop it.

There are some of them in this video
http://www.youtube.com/watch?v=SqB6zWQaWV0

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