A sudden pain in your side, especially when you are running or laughing a lot.
Stich can make people think of exercise or laughing too much.
Examples:
When I run, I sometimes get a stich in my side.
After laughing a lot, I got a stich in my tummy.
She got a stich while playing with her friends.
I got a stich and had to stop running.
The stich in my side was so bad, I had to sit down.
The stich in my tummy hurt a lot.