What is ‘6-7’? Nothing. Literally, nothing.

Here’s how it works: You shout out “6-7!”

That’s it.

Does that make sense? No? That’s kind of the point.

Classrooms and hallways have been echoing with cries of “6-7” for months. Triggers include hearing the word “six,” hearing the word “seven” or any situation involving numbers. The catchphrase is accompanied by a palms-up gesture that sort of looks like a pantomime of comparing two grapefruits.

“Six-seven” is often shouted in a specific cadence that draws out the phrase’s last syllable (i.e. “six-sev-eeennn”):

-If you’re a boomer, it might sound like a “wolf whistle.”

-If you’re Gen X, it might sound like Rob Schneider saying “Makin’ copies” on SNL.

-If you’re a Millennial, it might sound like Linda on “Bob’s Burgers” saying “All right!”

-If you’re Gen Z or Gen Alpha, you already