くちわる 口の悪い Show inflections LinksSentence search for 口の悪いSentence search for くちのわるいSentence search for 口のわるいKanji details for 口 and 悪Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. sarcastic; foulmouthed; having a sharp tongue; having a sharp nasty tongueSee also 口が悪いOther forms口のわるい 【くちのわるい】 Discussions Log in to talk about this word.