bullspeak vs talk shit

bullspeak

verb
  • To talk nonsense or boastful lies. 

noun
  • Nonsense; false or exaggerated statements. 

talk shit

verb
  • To speak nonsense or to lie. 

  • To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia. 

How often have the words bullspeak and talk shit occurred in a corpus of books? (source: Google Ngram Viewer )