get under someone's skin

verb2

1. •
   To irritate someone.

   • [T]his Bolshevist stuff gets under my skin. I've got a home and a family here. I started in to work when I was thirteen, and all I've got I've made and saved right here. — 1920
2. •
   To make a memorable impression or have a strong effect on someone; to impact someone's feelings, especially when such an effect is not expected or wanted.

   • Some TV shows get under your skin with lovable characters or subtle writing. — 2003