むなくそ 胸糞 LinksSentence search for 胸糞Sentence search for むなくそSentence search for むねくそSentence search for 胸くそKanji details for 胸 and 糞Edit in JMdict Noun1. chest; breastSee also 胸くそが悪いOther forms胸糞 【むねくそ】、胸くそ 【むなくそ】、胸くそ 【むねくそ】 Discussions Log in to talk about this word.