It’s deprived from the Latin word tupclintu and can be used as a hip turn of rain, crying, showers, sweat, and as the young people like to say turn up (By: The Ultimate Tiara Rich)
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.