While originally used by professors of quantum physics to make sure students are understanding what they are talking about, it has evolved into a not so subtle way of insulting someone's intelligence.
A very annoying YouTube trend which involves editing a comment to make the replies of said comment look nonsensical and unrelated.
It sometimes can be used to try to make themselves not look like an idiot.
Comment: *An actual joke*
Author of comment: Nah...this looks too shit of a joke, lets change it!
Comment: I edited the comment so that the replies don't make sense
Phrase used by highly intelligent people when being condescending and sarcastic. It's typically used when the person you're communicating with isn't making sense.
Dude, wtf did you just say? That don't make no sense.
Common American phrase dating back to the late nineteen-hundreds. Very classy but also popular thing to say. Critically dubbed "meta-nationalist". Can be adapted to other countries.
You: Doesn't look like there's anything going on here today; the library's empty.
Alex: What? That does not make American sense. The calendar said today was supposed to be the Club Meet.