gobbledygook vs parlour game

gobbledygook

noun
  • Nonsense; meaningless or encrypted language. 

  • Something written in an overly complex, incoherent, or incomprehensible manner. 

parlour game

noun
  • The use of deliberately nebulous or confusing language. 

  • Any of a number of amusing games played indoors with few props by the members of a social gathering. 

How often have the words gobbledygook and parlour game occurred in a corpus of books? (source: Google Ngram Viewer )