bluehair vs twirly

bluehair

noun
  • An elderly person, especially a woman or one viewed as senile, old-fashioned, or out-of-touch. 

  • A young or naive supporter of social-justice causes. 

twirly

noun
  • an old age pensioner or other elderly person, especially one using public transport. 

adj
  • coiled or curly 

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