do someone a favour
do (one) a favor
1. To help someone else, typically at their request. Sometimes used sarcastically. Hey, do me a favor and take these bags into the kitchen while I get the others from the car.
2. A request for someone to stop doing something bothersome or annoying. Can you please do me a favor and take your loud music somewhere else? I'm trying to sleep! Look, I know you want to help, but do us a favor and just stay out of our way.
3. A response to a statement that the speaker finds ridiculous or stupid. ("Favor" is usually spelled "favour" in British and Australian English.) Primarily heard in UK, Australia. A: "Katie seems nice." B: "Oh, do me a favour—she's one of the cattiest girls in school!"
See also: favor
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do someone a favourdo something for someone as an act of kindness. British informal
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