English

Definition of fanboy noun from the Oxford Advanced Learner's Dictionary

 

fanboy

 noun
noun
BrE BrE//ˈfænbɔɪ//
 
; NAmE NAmE//ˈfænbɔɪ//
 
(informal)
 
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a person, especially a boy or young man, who is extremely interested in something such as a particular type of music or software a Nintendo fanboy Linux fanboys
See the Oxford Advanced American Dictionary entry: fanboy