This is an interesting term! It refers to a person who has delusions that they are a form of animal or that they have changed into an animal or even having any relations with any form of animal.
Guy #1: "Yo bro! Last night that hedgehog was banging like a biscuit!"
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.