A simple fusion of Scum and Believable. Used to describe (traditionally female) people who are deemed to behave or present themselves in a manner which is considered slutty.
a) My god, what IS she wearing?
Looks pretty scumbelievable to me.
b) Did you hear about last night?
Yeah i know, that one is pretty scumbelievable if you ask me.
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.