cool cat vs demonstrative

cool cat

noun
  • An individual who is at ease and self-assured; one who is calm and composed in interactions with others. 

  • A person who performs or appreciates jazz, especially one whose style of speech and movement is relaxed and rhythmic. 

demonstrative

noun
  • A demonstrative pronoun. 

  • A demonstrative adjective. 

adj
  • given to open displays of emotion 

  • that specifies the thing or person referred to 

  • that serves to demonstrate, show or prove 

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