Definition of get someone's goat in US English:

get someone's goat

phrase

informal
  • Irritate someone.

    ‘I've tried to get along with her, but sometimes she really gets my goat’
    • ‘Motorists already have very strong feelings about cyclists, not all of them favourable, and it apparently gets their goat to see cyclists jabbering away whilst pedalling, and enjoying a freedom that is now forbidden to the driver.’
    • ‘This being the sixties, most of them felt it was a matter of free speech, which really got his goat.’
    • ‘This really gets my goat, as we can't quit the e-group, and their spam isn't intercepted (as it's in the e-group, duh), and it clutters up my inbox.’
    • ‘If people don't want to vote, it probably is a sign that nothing is getting their goat enough to make them take the time to go vote.’
    • ‘Apart from the super-slow service, what else got my goat?’
    • ‘I mean, I know people have gotten essentially meaner, but to realize that it permeates so deeply to the point where people are astonished - rendered speechless - at random acts of kindness just gets my goat.’
    • ‘I mean I do read them, and one of them has got my goat enough for this blog entry - does that mean they work?’
    • ‘He's one of the most famous comic types in Shakespeare, and there's something about him that tickles people's fancies and gets their goat.’