Bitchilly......a term for describing lower temperature mornings. Has also been to know to describe ones mood due to lack of sleep. Its known as a Stavingaism.
billy willy is when your dick is so small and unfunctional because the "whizz" (cockney rhyming slang) "billy whizz" = speed has done what it enevitably WILL do to your bulk of your manhood :D
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.