1. An abbreviatation of the term 'Sniper Rifle' which commonly is found in video games such as Halo's S2AM Sniper Rifle as its commonly refered to by the gaming populace
2. A term used to describe a kill made by a sniper rifle either in a video game or in real life.
3. A term used to describe something is obtained or secured
2: This is Sniper Charlie Echo, enemy has been sniped
3: Dude, I totally sniped that bag of chips!