fanboy vs flabbergast

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. 

flabbergast

noun
  • An awkward person. 

  • Overwhelming confusion, shock, or surprise. 

verb
  • To overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner. 

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