Definitions by Nati, Squash, and Toum Toum

threesome booty-shake 

(n.) Time when three female friends all shake their booty at the same time while dancing to:
a) an underground rave techno song (most prefferably)
b) an dirty rap song
c) fast classical music

*while a WHICKED techno beat plays in background*
"THREESOME BOOTY-SHAKE TIME!!!!"

threesome booty-shake by Nati, Squash, and Toum Toum April 27, 2006