sicko vs unfun

sicko

noun
  • A person with unpleasant tastes, views or habits. 

  • A physically ill person. 

  • A mentally ill person. 

adj
  • Characterized by depraved tastes or habits; deviant. 

unfun

noun
  • Lack or absence of fun; funlessness. 

adj
  • Not fun. 

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