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胸糞悪い (むなくそわるい) Japanese meaning | Kotomora
Meanings 1
expression, i-adjective
disgusting ; revolting ; nauseating
Strong visceral disgust, often about a situation or someone's behavior. Literally 'chest-shit bad', it is a crude, emphatic expression used mainly in casual, often male, speech.
ぎ
ら
れ
た
と
知し
っ
て
胸むな
糞くそ
悪わる
く
なっ
た
。
I felt sick when I found out I'd been betrayed.
Written forms 胸むな 糞くそ 悪わる い
Standard kanji-kana mixed spelling.
胸むな くそ 悪わる い
Variant with くそ in hiragana.
Similar words 気き 持も ち 悪わる い 気持ち悪い is a general term for 'gross' or 'creepy', while 胸糞悪い is stronger, cruder, and emphasizes moral or visceral revulsion.
吐は き 気け がする 吐き気がする focuses on physical nausea, whereas 胸糞悪い is more often about emotional disgust, though it can imply physical revulsion.
Etymology Compound of 胸 (chest), 糞 (shit), and 悪い (bad). The exact origin is uncertain, but it likely arose as a vulgar metaphorical expression for a feeling of disgust welling up in one's chest.