со смеху

laughing hard

→ с
phrase Rare #50,172
laughing hard Used in expressions like 'die laughing' or 'almost die laughing.'
RU: Мы смеялись со смеху до слёз.
EN: We were laughing so hard we had tears in our eyes.

Я чуть не умерла со смеху.

I almost died laughing.

— Вожделение (2007)

Ты умрешь со смеху!

You'll die laughing!

— Ирония судьбы, или С легким паром! (1976)