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?"
A word spawned from the NBC sitcom Scrubs. Bluncle is a contraction of black and uncle usually signifying when a black man becomes a "pseudo-uncle" to a white friend's child.