Make the Dragon Laugh

A group of adventurers has stumbled upon a dragon hoard. Unfortunately, the dragon is awake, up and about, ready to ambush the thieves. Fortunately, Jana the Bard is part of the heist, ready to unleash her hilarity upon the ancient lizard. Unfortunately, her jokes are inappropriate, poignant, or just lame. Fortunately, maybe the dragon will eat the party and then it will end the stream of bad jokes...