fanboy vs fruitcake

fanboy

noun
  • A male fan who is obsessive about a particular subject (especially, something or someone in popular entertainment media). 

verb
  • To worship, support, drool over the object of affection; to be a fanboy. 

fruitcake

noun
  • A crazy or eccentric person. 

  • A cake containing dried fruits and, optionally, nuts, citrus peel and spice. 

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