1. A nap at an awkward time of day or night which leaves one feeling much worse than before the nap.
2. A nap that leaves one feeling cracked out.
"I accidentially fell asleep at 7:00 last night, and when I woke up from my crack-nap at 9:30, I felt shitty so didn't know if I should eat soomething or just go back to sleep."
A cracknappa is a person who has no abilities in any fields and is completely and utterly useless. This person will more often than not be a noob also.
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.