hold one’s sides

(verb) to laugh uncontrollably

Example Sentences:

A: How was the comedian last night?
B: He was so funny! He had everyone holding their sides!

Thomas held his sides while watching the funny movie.

We had to hold our sides while watching America’s Funniest Home Videos. It was so funny!

Media:

Similar idioms:

1. in stitches
2. hold it against someone
3. hold one’s tongue
4. crack up
5. hold on
6. riot
7. does not hold water