アイドルオタク

also: アイドルヲタク

Meanings

1

idol otaku; male idol fanatic

Refers to a male otaku who is deeply obsessed with female idols. Often implies intense fandom, collecting merchandise, attending events, etc.

See also: オタク

彼かれは典てん型けい的てきなアイドルオタクで、週しゅう末まつはいつも握あく手しゅ会かいに行いっている。
He's a typical idol otaku, always going to handshake events on weekends.
アイドルオタクの間あいだでは、推おしメンのグッズを集あつめるのが当あたり前まえだ。
Among idol otaku, collecting goods of your favorite member is a given.