胸むな糞くそ悪わるい

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.

• あの政せい治じ家かの演えん説ぜつは胸むな糞くそ悪わるい。

  That politician's speech is disgusting.

• 裏うら切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.