Kuru, also known as "laughing sickness" Laughing gas Laughter-induced syncope List of unusual deaths Paradoxical laughter Sardonicism Tickle torture "The Funniest Joke in the World", episode of British sketch comedy Monty Python, which revolves around a joke so funny that anybody who hears it promptly laughs themselves to death Infinite Jest, in which a film is so entertaining that those who see it lose all interest in anything else, and die