Some people haven't been blessed with grade 3 English skills, thus can't tell the difference between 'u' and 'you'. In many cases people use 'u' instead of 'you' to save time, but some people are so fucking stupid that the do vice verse.
If you see anyone stupid enough to use the word 'yousing', please direct them to this webpage.
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.