get someone's goat UK /ˌɡɛt ˈsʌmwʌnz ˈɡəʊt/US /ˌɡɛt ˈsʌmwʌnz ˈɡoʊt/ verb1 •(informal) To annoy or infuriate someone.It really gets my goat when inconsiderate people drop litter in public. formsgot someone's goat · gotten someone's goat · getting someone's goat · gets someone's goat