Would you buy a used car from this man?
Possible interpretation: Do you trust this man? I don't.Origin: This saying is attributed to the American comedian Mort Sahl (born 1927). It was often applied to USA President Richard Nixon, and is today used with regard to anyone who does not seem entirely trustworthy.
Variety: This is typically used in American English but may be used in other varieties of English too.
If someone referred to you and said "Would you buy a used car from this man/woman?", you would probably be