A play on the term "duty bound", doodybound specifically refers to when one is suffering from diahrrea. More accurately it is ones duty to visit the toilet.
"Hey, i'm sorry, but i'm doodybound, I'll catch you later!"
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.