Also found in: Dictionary, Thesaurus, Medical.
?Note: This page may contain content that is offensive or inappropriate for some readers.
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.
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?