1 definition by iPerson XD

when a person where's a panty or pantylike pants that are two small for them and in the back only go half way over the butt cheek and makes a creast or fold in their butt.this giving them a double butt
Look at Amber with her double butt in her bikini.Ewww
by iPerson XD March 7, 2009
Get the double butt mug.