笑わらい崩くずれる

ichidan verb, intransitive verb

break down laughing; collapse in laughter

Describes someone laughing so hard they lose physical composure, often slumping or doubling over.

• 彼かれの冗じょう談だんにみんな笑わらい崩くずれた。

  Everyone broke down laughing at his joke.

• あまりにおかしくて、椅い子すから笑わらい崩くずれそうになった。

  It was so funny I almost collapsed laughing off my chair.