noun
curved nose; crooked nose
Refers to a nose that is bent or crooked, often as a physical trait.
彼は生まれつき鼻曲がりだ。
He has a crooked nose from birth.
noun
crosspatch; grumpy person
Figurative use: a person who is habitually ill-tempered or easily annoyed, likened to a twisted nose. Somewhat dated or colloquial.
That crosspatch is always complaining.
noun
male salmon in breeding season
Specialized term in fishing or biology for a male salmon whose snout becomes hooked during spawning.
秋になると川で鼻曲がりが見られる。
In autumn, you can see male salmon with hooked snouts in the river.
Compound of 鼻 (hana, 'nose') and 曲がり (magari, 'bending'), literally 'nose bending'. The figurative sense for a grumpy person comes from the image of a twisted nose expressing displeasure.