A deragatory permutation/centaur word combination of the slang terms "badunkadunk" and "donkey", used to describe extremely large, protruding albeit attractive buttocks on a female; extreme calliopygia/steatopygia.
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.