When you say something that you later regret. Usually refers to times when you tell an embarasing story to your friends because you think it is funny, but they then use that story to make fun of you.
Dude, stop telling people about that time you saw your grandma naked. Your sticking your penis in an electrical socket.
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.