If you’ve been on TikTok lately, you’ve probably heard kids shouting “six-seven!” or seen the phrase popping up in captions and comments. To many adults, it sounds like some kind of secret code, an inside joke, or maybe a new trend with a hidden message. But the surprising truth is that it doesn’t mean anything at all. That’s exactly why younger users love it. The randomness itself is the joke, and joining in feels fun, chaotic, and full of energy.

The trend started after hip-hop artist Skrilla released his song Doot Doot in December 2024, which includes the casual lyric, “6-7, I just bipped right on the highway.” The line wasn’t symbolic or special, but TikTok grabbed onto it instantly. Within weeks, millions of videos used the snippet—appearing in reaction clips, funny skits, and even completely unrelated humor. Its charm comes from the unpredictability; you don’t need context to laugh at it.

Teachers, however, have experienced a different side of the trend. As students brought the joke into classrooms, it quickly became a loud interruption during lessons. One teacher said kids shout “six-seven!” with dramatic hand motions just to get their classmates laughing. Some younger students have even responded to math questions with the phrase, turning quiet moments into chaotic chants.

While most of it is harmless fun, schools have gently reminded students to stay focused so class activities don’t spiral out of control. Still, the trend shows just how quickly a single lyric can transform into a global inside joke.

In the end, the beauty of “six-seven” lies in the fact that it means absolutely nothing. It’s pure internet silliness—a reminder of how fast, random, and entertaining social media humor can be, even when it makes no sense at all.