Online, 67 mewing sits at the crossover of two TikTok trends: the rhythmic 6-7 chant that became a shorthand for playful hype in short edits, and mewing, the jawline pose that creators use to signal exaggerated confidence. Combined, the sound became a quick reaction clip shared in edits, memes and comment sections, where recognising both references is part of the joke. Its short length and repeatable rhythm keep it useful for transitions and punchlines, long after the original posts have faded from feeds.