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A fungal infection of the genital area, especially in males, that typically manifests as a rash. I think I need to go to the doctor—this crotch rot isn't getting any better.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a skin irritation or disease characterized by itching in the genital area, usually said of males. (see also grunge.) What will get rid of crotch-rot?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.