get someone's goat (informal)
To annoy or rile someone
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Main Entry: ↑goat
* * *
to annoy someone
It really gets my goat – the way she keeps interrupting all the time.
Thesaurus: to make someone angry or annoyedsynonym
Main entry: goat
* * *
informal irritate someone
I've tried to get along with her, but sometimes she really gets my goat
Useful english dictionary. 2012.