跳はね上あがり

noun

jump; surge; spike

Refers to a sudden upward movement, often used for prices, values, or physical jumping. Common in economic contexts.

• 株かぶ価かの急きゅうな跳はね上あがりに驚おどろいた。

  I was surprised by the sudden jump in stock prices.

• 猫ねこがテーブルから跳はね上あがりをした。

  The cat made a jump from the table.

noun

rashness; hothead

Describes impulsive, reckless behavior or a person who acts without thinking. Often used critically.

• 彼かれの跳はね上あがりには手てを焼やいている。

  I'm at my wits' end with his rashness.

• あいつは跳はね上あがりだから、何なにをしでかすかわからない。

  He's a hothead, so you never know what he might do.