dfdi is an abbreviation in German that stands for "Danke für die Info", meaning "Thanks for the information". It developed to a famous hashtag on Twitter and was invented by the German Kult Blog Kessel.tv
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.