This is the passive-aggressive stance many people take during a fight. It's the "Nothing's wrong, I'm fine!" said even when there is clearly something wrong. After all, you didn't used to give short answers to your partner's questions or purse your lips all the time, did you?
John: I was drunk! I didn't mean to kiss her at that party. You're not mad, right?
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.