A clever combination of the words reject and retard. Meaning that you are thick as two short planks held together with stupid glue, and that you have no friends. The ultimate degradation is to be called a jectard.
Jettard is a word that has developed its use from the freeware game Tremulous, in which a member or multiple members of the human team (usually noobs) grab a jetpack and generally accomplish nothing while in the air.
"that jettard tried to saw a goon in mid-air, what the hell was he thinking?"
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.