The first English joke recorded was a dick joke. The oldest joke we know of is a Sumerian fart joke.
Anthropic's 'Haiku', 'Sonnet', and 'Opus' appear to be synonyms for 'small', 'medium', and 'large', much in the same way Starbucks uses 'Tall', 'Grande', and 'Venti' for its branded coffee cup sizes.