The grammarsphere is the cyberworld of web pages, blogs, and Facebook groups where English-language nerdshang out and have raging debates about things like "singular they", "verbing nouns", "the Oxford comma" and "logical punctuation".
"Do you want to do something this weekend?"
"No, I can't. I'm going to meet my grammarsphere friends this weekend."
"What? You are going to meet _who_?"
"Whom."
"The people that your meeting this weekend."
"I think you mean 'The people whom you're meeting this weekend.'"
"I'm not meeting anybody this weekend."
"Exactly. Well, at least not my grammarsphere friends."
A funny little word that you may hear your english teacher may use to imply that s/he is religious in regard to grammar. I've always taken it to mean that your grammar will be corrected without remorse.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.