Well, it depends on the audience. If they were in a good mood, they might have burst out laughing and asked Josh for more stories. Maybe some of them were so amused that they couldn't stop smiling for a while. They could also start sharing their own similar funny experiences in response to Josh's story.
Suddenly. In a funny story, a magician was performing a trick. Suddenly, his hat caught on fire instead of producing a rabbit. The panicked look on his face as he tried to put out the fire made everyone burst into laughter.