chub rub - definition and synonyms

noun [uncountable] informal 

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/ˈtʃʌb ˌrʌb/
  1. a rash on the inner thighs caused by them rubbing together in hot weather

    Chub rub is one of the great unspoken issues for many women.

    This meaning is based on one submitted to the Open Dictionary from United Kingdom on 22/06/2015