The act of taking one's Discord profile picture and changing the colours to be only Blurple, Discord's main colour, and White. (Occasionally Dark Blurple, if necessary)
"Yo, dude, I've just joined Project Blurple. You gonna join as well?"
"Yeah. Isn't that the place where you Blurplefy your image?"
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.