Definitions by Side Butt Lover

side butt 

A view of a girl (or guy's) ass from the side. While walking next to a girl, if you were to look at her from the side, you would only be able to see her side butt.

"Yo dude, check out that girl's side butt today. It looks so nice"

side butt by Side Butt Lover January 26, 2013