When someone throws his butt up and down, and it jiggles.
A: Look B, C's doing the Booty Boogie!
C: Look at my butt! It's blushing!
B: BRO WHAT IM OUTTA HERE *dies from cringe*
When you have a big, plump butt that you start to twerk and your butt moves up and down.
A: I saw C doing a booty boogie!
C: Watch my butt! x3
B: WHAT THE FUCK *dies*