double talk vs poppycock

double talk

noun
  • Lies, especially in a formal political statement. 

  • Speech which combines English (or some other language) and native-sounding gibberish for humorous effect. 

  • Doublespeak. 

  • A situation when two people talk at the same time, causing overlapping audio signals. 

  • A simple phonetic code with a regular infix that makes meaningful speech sound unintelligible. 

poppycock

noun
  • foolish talk; nonsense. 

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