Anything that causes you copious amounts of stress. An antidestressant can be a person, a job, school, etc.
Neil: "Man, everyone is dumping their problems on me lately and I got all this other stuff I gotta do and I feel like I'm gonna explode!"
Bob: "You need to back of the antidestressants and just learn to relax!"
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.