booty beats 

Booty beats are pieces of music, mostly from the urban genre, that are typically associated with dancing to. The term 'booty' refers to the bottom of a female, which they shake while listening to the music, thus gaining the term 'booty beats'.

Music from an urban genre usually has a strong bass beat on every line. This is why they are called booty beats.Every time there is a beat, the 'booty' must shake.

booty beats by J Murray June 11, 2006

Bats on the Booty 

Having so much extra "granny" panty fabric under your pants, it looks like a bat flew into your ass right before you pulled your pants up over it.

Check out the Bats on the Booty under that girls pants.

She'd be hot if she didn't have Bats on the Booty.

Bats on the Booty by John Wesley February 9, 2008