Mewing itself became a widespread online joke through TikTok and short-form video, where creators exaggerated the tongue-posture technique into a shorthand for confidence, jawline obsession and self-improvement humour. Clips like this one circulate as reaction sounds rather than instructions, passed between edits, memes and streams because the reference is instantly recognisable even without explanation. That shared recognition keeps it useful today for playful, self-aware content about looks, posing and internet trends.