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
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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
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