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、鼻が曲がるほど臭いね。
This room smells so bad it makes your nose wrinkle.
腐った卵のにおいで鼻が曲がりそうだった。
The smell of rotten eggs was so strong I thought my nose would wrinkle.