くちへ 口が減らない LinksSentence search for 口が減らないSentence search for くちがへらないSentence search for 口がへらないKanji details for 口 and 減Edit in JMdict Expressions (phrases, clauses, etc.), Noun or verb acting prenominally1. fast-talking; always having another argument ready; not able to keep one's mouth shut; never at a loss for wordsSee also 口の減らないOther forms口がへらない 【くちがへらない】 Discussions Log in to talk about this word.