The Milkmonster is a large landbound animal which is characterised by it's ability to consume massive amounts of milk without any gastronomic consequences or concern for others who may wish to keep some of said milk for their own consumption.
Upon finding a supply of milk to have been suddenly and inexplicably exhausted:
"Dear God no! The Milkmonster has struck again!!"
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.