鼻はなが曲まがる

expression, godan verb (-ru)

one's nose wrinkles from a strong stench

Idiomatic expression describing a physical reaction to an overwhelmingly bad smell. Often used figuratively to emphasize how terrible something smells.

• この部屋へや、鼻はなが曲まがるほど臭くさいね。

  This room smells so bad it makes your nose wrinkle.

• 腐くさった卵たまごのにおいで鼻はなが曲まがりそうだった。

  The smell of rotten eggs was so strong I thought my nose would wrinkle.