[throw0101a]

> It’s literally just saying 6-7. No, I don’t get it either.

A linguist goes into the meme and it's history:

* https://www.youtube.com/watch?v=laZpTO7IFtA

You not getting it is the main point of the saying: it's slang term that young folks (in-group) are using to differentiate themselves from the not-young folks (out-group).

[squigz]

And hasn't that been the point of slang since forever?

[ufocia]

Not the out group, but the unc group.