箱はこ推おしMeaningsNoun1. (being a) fan of an entire music group (esp. idol group); not having a favorite member of a group (Slang)Kanji used箱box推inferComposed of箱はこbox; case; chest; package; pack; crate; car (of a train, etc.); shamisen case; shamisen; counter for boxes (or boxed objects)Noun推おしbeing a fan of; being a supporter of; pushing for; one's favourite (member of an idol group, character in an anime, player in a team, etc.)Noun