Normally done to either get back at your family or as a practical joke.
Guy 1: What did you eat on Thanksgiving Day?
Guy 2: It was turkey, but it tasted more like a Jizzturkey, I think my uncle was mad after we made fun of him.
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.