Hachine Gun
When someone’s laugh is like a machine gun, and their squad grabs air guns and starts blasting them until they stop laughing, then everyone starts laughing even harder.
My friend laughed like a machine gun, so my squad blasted him with air guns until he stopped, and then we all laughed like lunatics.
At the game, my brother cackled like a machine gun, and my friends shot him with air guns until he stopped, then we all roared with laughter.
During the concert, my friend laughed so hard it sounded like a machine gun, so we blasted him with air guns until he quieted down, then we all laughed like fools.