Aerobutt 

A person that wears to many aeropostale products at the point where the AERO logo is on their butt.

"Does Madeline have any clothes from other store"
"Probably not, she's an Aerobutt"

Aerobutt by hollandful March 19, 2010

afrobutt

When someone has gotten so fat that their butt starts to spread like a 1970's afro.

someone has gotten so fat that their butt starts to spread like a 1970's afro.

* Laura has gotten so fat that she has to sit in two chairs to contain her afrobutt!

afrobutt by funfacts January 3, 2015