sjaak afhaak is someone that says he will show up for alot of things, but in the end he stays at home because of some simple excuses.
Rob: yea, lets go to this party Saturday night.
Niels: ok sure bro, we are going to get this party rollin'
*Saturday night*
Niels: fuck, rob isn't here again what a "sjaak afhaak".
Rick: yea he always does that, the basterd
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.