The state of comfort one enjoys while being "invisible" in a chat program, such as gmail chat. Being invisible allows you to pick and choose who you send an im, instead of being peppered by people you don't really want to talk to.
-"Hey man, hit me up on chat if you're invisibliss."
-"Dude, i can't get any work done... my girlfriend won't stop chatting with me on im... it's non-stop!
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.