give someone the shits

verb2

1. •
   (informal, vulgar) To annoy or frustrate someone to a great degree.

   • Can you stop sending me text messages at two in the morning? You're giving me the shits!
2. •
   (vulgar) To creep someone out; to scare someone.

   • Can you stop perching on the cliff ledge? You're giving me the shits!