笑わらい死じに

noun

death by laughter; dying of laughter

Often used hyperbolically to mean laughing extremely hard, not necessarily literal death.

• あの漫まん才ざいは面おも白しろすぎて、笑わらい死じにするかと思おもった。

  That comedy duo was so funny I thought I'd die laughing.

• 友とも達だちの話はなしがウケすぎて、笑わらい死じにしそうになった。

  My friend's story was so hilarious I nearly died laughing.