crotch rot

Related to crotch rot: tinea cruris, dhobie itch
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crotch rot

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.
See also: crotch, rot
Farlex Dictionary of Idioms.

crotch-rot

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
See also:
  • gunge
  • creeping crud
  • creeping-crud
  • crud