A person who over-uses the SCAR-H assault rifle in Modern Warfare 2.
Person 1 runs into a building, and gets shot in the back by Person 2. He watches the killcam to see that person 2 was camping and using the SCAR-H.
Person 1: OMFG this scarfag wont stop camping!!
Person 3 (friend of person 1, or someone who is watching person 1 play): Lulz.
Person 1: THIS IS SERIOUS BUSINESS