A versatile term used to describe an idiot or an idiot move, sometimes used affectionately between friends or insulting others while highkey judging them. It can be jokingly used or seriously offensive.
An idiot
My friend Pauljust spent 300 bucks on a ripped tee. What a yoach.
Look at those hooligans over there, messing with the water fountain. Yoaches! The principal is right there!
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.