he, she, etc. won't thank you for something

(someone) won't thank you for (something)

Someone is going to be very displeased about something you've done. I'm telling you now, Janet won't thank you for speaking to the boss on her behalf. You can go ahead and paint the living room, but they won't thank you for it. Mom won't thank you for cooking dinner when she sees this huge mess you made!
See also: for, thank
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

he, she, etc. won’t ˈthank you for something

used to say that somebody will not be pleased or will be annoyed about something: John won’t thank you for interfering.
See also: for, something, thank
Farlex Partner Idioms Dictionary © Farlex 2017
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