Definitions by euroJuice

Dust-Butt

A smelly dust like substance that forms on the back of your jeans/pants. This is caused from a deadly combination of going commando and not changing your pants for 10+ days. This is also known as stink butt, stinky pants and stink junk.

Eww, thats gross. Eric has Dust-butt again.

Dust-Butt by euroJuice May 18, 2008