bagota is just another name for dumbass or retard. it comes from the capital of colombia, south america (bogota). someone accidentally pronounced "bogota" wrong by saying "bagota." the name just stuck after that.
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.