1. A term often used in video games such as Call of Duty when you are destroying your enemy.
2. Mercin is often used when you kill someone in a ninja like way on Xbox 360 or PS3 online.
3. Can be used as a verb when you are on a killign spree

In Call Of Duty 4 Modern Warfare, when you kill enemy players online on PS3 or Xbox 360

Just another word for getting murked or disintegrated