wrong side of someone

the wrong side of (someone)

A status in which one is disliked by someone, usually for a particular reason. I know I'm on the wrong side of the teacher because I handed in my report late. Be sure not to get on the wrong side of her—she's a powerful figure in this industry.
See also: of, side, wrong
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

wrong side of someone

See also: of, side, someone, wrong
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
But the ex-Coronation Street actress, who is set to appear as Emmerdale's new superbitch, knows just what it's like to be on the wrong side of someone like ruthless character Megan Macey.
At work try not to get on the wrong side of someone whose support you need.
Mind you, I wouldn't want to get on the wrong side of someone who is still probably the most powerful woman in pop (she's currently at number one in the album charts with American Life), and I expect Woss will have a good old go at trying his unique Cock-er-ney charm out on her rather than get on her wrong side.
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