double Dutch vs gibberish

double Dutch

noun
  • Incomprehensible language. 

  • A game of jump rope with two ropes and frequently two jumpers. 

  • A language game akin to pig Latin. 

  • Sex using a condom and the contraceptive pill at the same time. 

gibberish

noun
  • Needlessly obscure or overly technical language. 

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

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

adj
  • unintelligible, incoherent or meaningless 

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