A Jelly taco, is simply a vagina during it's menstral cycle. If a female were to be having her period, she and/or her vagina would be referred to as a Jelly Taco.
"Yo did you hook up with that chick last night"
"Nah dude, shit was jelly taco didn't go near it."
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.