'Lemme pet your squirrel' is meant to say to someone who has an attractive moustache, and you just want to touch it. Preferably, pet it. Also, it is as bushy or curly as a squirrel's tail.
As I saw John's moustache, all I thought was "Lemme pet your squirrel".
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.