“You gotta lotta class.”
I like the way you shake your ass.” — Unknown artist (and I use the term loosely) since I can’t deal with waiting to the end of the song to find out who actually sings it.
I have always believed that shaking one’s posterior in public is a true indicator of one’s status in society.
The Waffle Group 
They could be talking about their donkey.
I’m sure donkey-shaking must be a status symbol somewhere in the world.
Ah yes, of course. How could I forget the Southern Patagonian Mule Oscillators?