Gigantasaurus is used to describe humongous dinosaurs, but can be used for other humongous things not involving dinosaurs. Gigantasaurus is often confused with "Ginemenasaurus".
"Wow, That dinosaurskeleton is totally gigantasaurus!" "Gosh, this orange is so gigantasaurus..!"
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.