A Gallic shrug is actually a very particular kind of shrug, a fairly rude and aggressive shrug in this context. It’s a French way of saying, basically, “Not my problem.”
She said she was taken so I gave her the Gallic shrug.
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.