The "Gallic shrug" gesture has a number of meanings:
It's not my fault I don't know
I doubt it can be done I don't really agree
Raise your shoulders; hold up your hands, palms out; stick out your lower lip; raise your eyebrows; and say "Moi, je n'y peux rien," "Moi, je n'en sais rien," "Alors là," or simply "Bof !"
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.