Meaning of fanboy in English:

fanboy

Pronunciation /ˈfanbɔɪ/

noun

informal
  • A male fan, especially one who is obsessive about comics, music, movies, or science fiction.

verb

[no object]informal
  • (of a male fan) behave in an obsessive or overexcited way.

    • ‘he fanboyed out meeting his idol on the red carpet’