N. A knife, kukri, machete, dagger, or other short edged weapon of extraordinary size, value, or lethality. A weapon or weapon wielder that may cause drastic damage when used correctly. Most widely seen in video-games such as Call of Duty, Team Fortress Two, or Counter-Strike: Source.
V. To kill or obtain multiple or simultaneous kills with a melee weapon in a video-game.
John - "Hey man, wanna help me build an Eiffel tower with Kaylee?
George - "No way man, I've got a huge kill streak in Counter-Strike: Source right now with my überknife."
John - "Oh man, you just pulled off that sweet überknife there bro!"