Buddy cist

A cist that is usually located somewhere visible (like the face) and is often regarded as a crucial part of that person's look.

Dude 1: "Hey man, you look different, did you get a haircut?"
Dude 2: "Nah man, I got my cist removed from my face."
Dude 1: "Why the hell did you remove your buddy cist man? It gave you character!"