胸むな糞くそが悪わるい

also: むねくそがわるい

胸糞が悪い · i-adjective

Form	Positive	Negative
Dictionary	胸むな糞くそが悪わるい	胸むな糞くそが悪わるくない
Polite	胸むな糞くそが悪わるいです	胸むな糞くそが悪わるくないですalso 胸むな糞くそが悪わるくありません
Past polite	胸むな糞くそが悪わるかったです	胸むな糞くそが悪わるくなかったですalso 胸むな糞くそが悪わるくありませんでした
Past	胸むな糞くそが悪わるかった	胸むな糞くそが悪わるくなかった
Te-form	胸むな糞くそが悪わるくて	胸むな糞くそが悪わるくなくて
Adverbial	胸むな糞くそが悪わるく
Conditional	胸むな糞くそが悪わるければ	胸むな糞くそが悪わるくなければ
Tara conditional	胸むな糞くそが悪わるかったら	胸むな糞くそが悪わるくなかったら

Meanings

expression, i-adjective

disgusting; revolting; makes one sick

Strong visceral disgust, as if something turns your stomach. Often used for morally repugnant situations or extreme unpleasantness. Colloquial and somewhat vulgar due to 糞.

あの事じ件けんの詳しょう細さいを聞きいて、胸むな糞くそが悪わるくなった。
Hearing the details of that incident made me sick to my stomach.
彼かれの差さ別べつ的てきな発はつ言げんには本ほん当とうに胸むな糞くそが悪わるい。
His discriminatory remarks are truly revolting.

See all 3 example sentences ›

Kanji

胸bosom, breast, chest
糞shit, feces, excrement
悪bad, vice, rascal

Related words

気き持もち悪わるい
気持ち悪い is a general term for feeling unwell or creeped out, while 胸糞が悪い specifically conveys a gut-level disgust, often with moral indignation.
吐はき気けがする
吐き気がする means 'to feel nauseous' and can be physical or metaphorical, but 胸糞が悪い is more emotionally charged and vulgar.

Built from

胸むな糞くそ+悪わるい

Written forms

胸糞が悪い
- むなくそがわるい
  Standard kanji-kana mixed spelling. The reading むなくそがわるい is the most common pronunciation.
- むねくそがわるい
  Alternate reading むねくそがわるい is occasionally heard but much less common than むなくそ.
胸くそが悪い
- むなくそがわるい
  Variant with 糞 in kana. Less common but still used.
- むねくそがわるい
むねくそがわるい

Etymology

Built from the vulgar noun 胸糞, denoting one’s inward feelings or temper, and 悪い “bad.” The expression describes intense disgust or irritation.