fanboy - definition and synonyms

noun [countable] informal 

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/ˈfænˌbɔɪ/
singularfanboy
pluralfanboys
  1. a very enthusiastic male fan of a band, actor, type of entertainment, product etc

    The fanboy/fangirl nation is once again congregating in San Diego this weekend for Comic-Con.

    I'm an Apple enthusiast, not fanboy.