The shout pairs the internet's long-running what are those reaction meme with the world of Jurassic Park, where giant creatures make an over-the-top reaction feel almost reasonable. Online, the line has been reused for years as a quick way to call out footwear, outfits, and other unexpected sights, and short-form creators keep returning to it because the question needs no explanation. In Jurassic Park edits, the dinosaur context raises the stakes, turning an everyday roast into a larger, more cinematic joke that still lands in under ten seconds.