lachburn
Laughing so much your sides hurt and you can't stop even when someone throws a shoe at you.
He laughed so hard at the joke that when his friend threw a shoe at him, he just laughed harder.
She laughed so much at the video her sides hurt and she still kept laughing when the dog bit her leg.
The joke was so bad he laughed so hard he fell off the couch and still didn't stop.