not do (someone, something, or oneself) any favors

(redirected from didn't do something any favours)

not do (someone, something, or oneself) any favors

To be problematic or detrimental to someone, something, or oneself. I knew that I had to get up at 4 AM today, and I didn't do myself any favors by staying up late last night. This divine chocolate cake certainly won't do your waistline any favors this holiday season.
See also: any, favor, not
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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