This phrase is most often said first thing in the morning after waking and realising a really stupid thing that you did the night before. Usually the stupid thing has occurred as a result of one too many double vodka redbulls. Oh the embarrassment!
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.