get on somebody's nerves

get on (one's) nerves

To irritate, grate on, or exasperate one. Nothing personal, but your voice is really getting on my nerves. Tom's been really defiant ever since he started daycare, and it's starting to get on my nerves.
See also: get, nerve, on

get on somebody’s ˈnerves

(informal) annoy somebody a lot: It really gets on my nerves the way he only ever talks about his job and his car.By the end of the week, they were all getting on each other’s nerves.
See also: get, nerve, on