Kuch is a term used to describe an uncordinated, goofy, dumb kid. A kuch is someone you look at and just know woild be horrible in bed. Usually a kuch is a virgin, which does not know what to do with a woman.
Matt is such a kuch, he has no coordination or rythm and would be so akward in bed.
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.