An ambiguous measurement used for things like recipes or adjusting pictures on the wall. It is usually understood by others just how much the amount is.
"Can you scoot over just a tit?"
"I think it needs a tit more lemon."
"Move it right just a tit."
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.