To Decrustify oneself. To brush your hair, fix your makeup, change your clothes, use the bathroom, make oneself more comfortable with his or her appearance. To remove "crust" from oneself and to make oneself presentable.
Hey want to go to the mall?
Sure, lemme just decrustify real quick.
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.