A person who uses Lightweight, Marathon and Commando, and a tactical Knife in Call of Duty Modern Warfare 2. Most of these players Will run around the map at crazy speeds to Knife someone from a distance. It Becomes very annoying and these kind of people are not liked very much.
Corey: "Hey joe, did you know that Brandon is a CODMW2 Runner?"
Joe: "Really? What a fag."
Corey "I know i hate him sometimes cause its so cheap"