The phrase took off on Vine, where short clips of people pointing at someone else's shoes and shouting the question in disbelief were shared and remixed thousands of times. From there it moved to YouTube compilations, reaction videos and later TikTok, becoming shorthand for calling out anything that looks strange or out of place. Because the joke needs no explanation, just a target and a loud reaction, it has survived long after Vine itself closed, and creators still reach for it whenever they want an instant, recognisable roast.