used in any situation, at any time, in any part of a sentance or stand alone. Can be used in place of "um" as a pause in sentance or as an exclamatory remark or just to add emphasis or humor to your statment.
A person that read the original book of a series or movie and continues to throw in your face that he/she knows more about the story than you who didn't read the book.
Mozza: I remember in the books there wasn't a hot tub.
Ozzy: Really? You're turning bookwanker on me already?
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.