Someone/something that only consume meat or flesh produced in a synthetic manner. Human examples currently include lab grown meat and meat 3D printing.
Sam is becoming a synthcarnisarian to help the environment. Now he only eats labmeat.
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.