Mr. Clean

American  

noun

Informal.

1. an actual or idealized person with an impeccable record, reputation, or image, especially a politician (sometimes used with Miss, Ms., or Mrs. instead of Mr. when referring to a female).

2. such a person regarded as excessively virtuous; goody-goody (sometimes used with Miss, Ms., or Mrs. instead of Mr. when referring to a female).

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Etymology

Origin of Mr. Clean

First recorded in 1970–75; popularized as the trademark of a liquid cleaner