in stitches

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

大爆笑する, 腹を抱えて笑う

laughing uncontrollably; in a state of extreme amusement

:
The comedian had the entire audience in stitches with his jokes.
そのコメディアンはジョークで観客全員を大爆笑させた。
We were all in stitches watching the blooper reel.
NG集を見て、私たちはみんな大爆笑していた。