double talk vs gibberish

double talk

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

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

  • Doublespeak. 

  • Lies, especially in a formal political statement. 

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

gibberish

noun
  • A language game, comparable to pig Latin, in which one inserts a nonsense syllable before the first vowel in each syllable of a word. 

  • Needlessly obscure or overly technical language. 

  • Speech or writing that is unintelligible, incoherent or meaningless. 

adj
  • unintelligible, incoherent or meaningless 

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