The phrase “six-seven,” often written as “6-7,” has taken over social media, especially TikTok, leaving younger users in stitches while older folks scratch their heads in confusion.

So what does it actually mean? Well… nothing. And that’s exactly why it’s so hilarious to Gen Z and Gen Alpha. There are already over 1.1 million TikTok videos using the joke, while older generations remain baffled.

Its origins trace back to hip-hop artist Skrilla, who dropped the song Doot Doot in December 2024. In it, he raps, “6-7, I just bipped right on the highway (bip, bip),” sparking the trend. TikTok teacher and self-proclaimed “OG Student Translator” Mr. Lindsay explained, “It has blown up even more. Kids these days will respond with ‘six-seven’ to anything—from ‘what is that smell?’ to ‘what time is it?’”

He added for the older crowd, “So, all of this to say, ‘six seven’ is just a reference to a meme. There’s no real meaning to it. It is a number that is fun to say… with the hand motions, and it just doesn’t mean anything.”