nina pop 

dance move popularized in St. Louis, similar to chickenhead; name originated from body moving like it'd been shot with a nine millimeter (nina)

"Nina Pop wit' it!"
-- Da Hol 9

nina pop by B. Chips May 15, 2005

Nina Pop 

The word "nina pop" usually refers to the recoil effect that happens after shooting a gun. So when people "nina pop" they are jerking their bodies like the recoil or "jerkiness" of a gun.

When the beat drop, make your body "nina pop."

Nina Pop by Sunny Capri November 16, 2003