The word refers to the dust that occupies your ball sack after not showering for days. May also refer to a very dumb indiviual from British Columbia who fails at everything except failing.
I got a badcase of dusticles.. I better go shower!
Hey dusticles, quit bein' so fucking stupid and do your homework!
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.