''Know Shaming'' is the petty social act of making someone feel smaller or stupid for literally not having known the information someone is telling them. Know shaming can occur in social or academic discourse, but also in interactions around media or celebrity consumption.
A: Have you heard of band XYZ?
B: No I Hav---
A: OMG! How do you not know about them!??!?!? Do you live under a rock?!?!! I knew about them ages ago like before they got popular.... YOU HAVE TO LISTEN TO THEM.
- - -
A: Did you know..
B: No..
A: What OMG! Do you even read? So basically...
B: This is know shaming. How could I know anything about something before I know it?
This is said in response to something obvious.
Amy: Man I love food.
Jason: We know.
It's a derpy Knuckles meme (from Sonic) that is known as "Uganda Knuckles"
Do you know da way? No you do not know da way.
John0512 made TST group, one of his many accomplishments.
john: I made TST group
you: but did you know that john0512 got a 46 on mathcounts chapter?
john: :sob:
be aware of the implications of one's actions or of a situation, and of how best to deal with them.
Here's a sentence using "know what one is about":
She was a seasoned negotiator who clearly knew what she was about.
Used to describe a situation that you don't understand, but also want to sound really damn cool.
Person 1: "Man this math test is way too hard. The only thing I know for real is that there will be bloodshed."
Person 2: "What?"
Person 1: "THE MAN IN THE MIRROR NODS HIS HEAD"
Person 2: "Bro stop fucking screaming, you're just solving for x."
When you don't know in a funny way.
Person 1: do you know what ifunny is?
Person 2: ha I don't know .