Definitions by purdueguy

mercin 

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

I am straight mercin you.

mercin by purdueguy March 31, 2009