はこお 箱推し LinksSentence search for 箱推しSentence search for はこおしKanji details for 箱 and 推Edit in JMdict Noun1. (being a) fan of an entire music group (esp. idol group); not having a favorite member of a groupSlang, See also 推し おし, See also 単推し Discussions Log in to talk about this word.