in stitches

US /ɪn ˈstɪtʃɪz/
UK /ɪn ˈstɪtʃɪz/
"in stitches" picture
1.

laughing uncontrollably; in a state of extreme amusement

:
The comedian had the entire audience in stitches with his jokes.
We were all in stitches watching the blooper reel.