gibber vs shit talk

gibber

noun
  • Gibberish, unintelligible speech. 

  • A balky horse. 

  • A stone or rock, of chalcedony or similar mineral, found strewn over arid regions of inland Australia; a gibber stone. 

verb
  • To jabber, talk rapidly and unintelligibly or incoherently. 

shit talk

noun
  • Derogatory speech regarding someone or something. 

verb
  • Synonym of talk shit 

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