1 definition by CaptainJackSparow

Top Definition

The unbearable size of a butt thats too big for its own good.
When put next to other butt's it often makes them look even smaller.

Person 1:Damn Look at Janelle's butt. It's planetary!
Person 2:Yeah it makes the girl next to her look like pluto.

by CaptainJackSparow November 01, 2010