ball sack vs son of a bitch

ball sack

noun
  • An objectionable person (especially a man). 

  • The scrotum. 

son of a bitch

noun
  • An objectionable, despicable person. 

  • Any objectionable thing. 

  • An impressive, daring, or admirable man. 

intj
  • Used to express anger, contempt, astonishment, disappointment, etc. 

How often have the words ball sack and son of a bitch occurred in a corpus of books? (source: Google Ngram Viewer )