on (someone's) wrong side(redirected from on her wrong side)
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on (someone's) wrong side
Displeasing to someone; provoking someone's anger, contempt, or dismissal. The best way to get through this class is to say nothing unless called upon, and to make sure you don't get on the teacher's wrong side! I thought it was all in good fun, but I might have gotten on her wrong side with my sarcastic comments.