The phrase what do you mean has been a natural reaction to confusion, and as a short audio clip it fits into the reaction-sound culture of meme editing. Creators use it to punctuate moments when a statement, reveal, or argument stops making sense, because the question itself does the comedic work without needing explanation. Its popularity online comes from that versatility: it works in gaming clips, comedy skits, reaction videos, and storytimes, and its short length makes it easy to reuse across formats. Because confusion is a universal setup, the clip remains a reliable punchline for unexpected twists.