The sign of a Death Eater in J.K. Rowling's Harry Potter books. It's a skull with a snake coming out of it, pretty much. It's marked permanently on their wrist when they become a Death Eater.
Draco was totally acting like a pimp and showing off his Dark Mark.
by Gryffinwhore December 20, 2010
An obnoxious conformist who is neither original or witty.
People who chirp Chuck Norris jokes are such darkmarks.
by Bendilin October 02, 2006