Rain Man was an acclaimed movie from the late 1980's that told the story of a man reuniting and eventually caring for his older brother, who is an autistic savant. Mannerisms are defined as "habitual gestures or ways of speaking or behaving".
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.