When you go out without the deadweight of friends who can’t keep up (similarly going out in the summer in just a tank top without a jacket to weigh you down).
Marley, we’re tank topping tonight, don’t invite anyone.
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.