get under someone's skin vs twist someone's balls

get under someone's skin

verb
  • To irritate someone. 

  • 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. 

twist someone's balls

verb
  • To annoy someone. 

How often have the words get under someone's skin and twist someone's balls occurred in a corpus of books? (source: Google Ngram Viewer )