The #NationalSendANudeDay meme revolves around an unofficial internet 'holiday' observed on May 19th. While its exact origins are murky, it gained massive traction on platforms like Twitter and Instagram as a tongue-in-cheek prompt for digital flirtation or, more commonly, as a platform for self-deprecating humor and 'expectation vs. reality' jokes. Users often post pictures of hairless cats, raw chickens, or 'nude' shades of makeup to subvert the suggestive nature of the hashtag. It has evolved from a simple provocative prompt into a recurring annual event where the internet competes to create the most clever or awkward interpretation of the day's theme.