The rhythmic gyrating of the lower fleshy extremities in a lascivious manner with the intent to elicit sexual arousal or laughter in ones intended audience

to work one's body, as in dancing, especially the rear end

The vigorously shaking of your Gluteus Maximus

What Miley Cyrus cant do.

white girls in yoga pants having sex with the air
or
black girls in 2 sizes too small shorts having sex with the wall.

Ghetto dancing

a fancy word for 'booty-poppin"