ass crinkle

the ass crack of a fat person who's crack has extended into their lower back.
I once saw a guy so fat, his ass crinkle was almost to his neck
by TheBlock June 28, 2008
mugGet the ass crinklemug.

crinkle ass

older person whose butt skin as become crinkled
Suzie: "I can't go out with you, Howard. You're too old for me. You old crinkle ass."
by Squeazl August 04, 2009
mugGet the crinkle assmug.