Mewing became a widely shared internet term before turning into a recurring TikTok joke and edit theme. Online creators use sounds like this in short videos about jawlines, posture, glow-ups, and exaggerated sigma behavior. The format spread through reaction edits, ironic masculinity memes, and transformation posts, where the audio marks the reveal moment. It remains popular because viewers immediately recognize the visual setup, and the sound helps turn a simple face angle or stare into a punchline without needing much context.