The six seven phrase exploded on TikTok in 2025, where creators repeated it over basketball highlights, classroom clips and everyday jokes until it became a shared in-joke. Its popularity grew through repetition rather than a single video, with the stretched ending giving the chant its distinctive, teasing rhythm. The 67 meme is now used as a quick audio shorthand for hype, silliness and playful mockery, especially in short videos where a familiar sound can land a joke in under two seconds.