In the gaming community, using any melee weapon that has a blade to kill or eliminate foes.
Corrupt Flame is the best at knifing

Using an energy sword in the Halo series is considered knifing by some.

Black ops knifing is too easy.

Blades of the Divine is the best knifing clan out there.
by Tommy12 October 4, 2012
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Verb- to get stabbed anywhere in the body from the top of the skull down
Johnny stood on the corner of 125th and Martin Luther King wearing a t shirt with large print reading I hate black people, and laughing about it. A good samaritin kept him from getting knifed by a few nanoseconds.
by Solid Mantis March 23, 2016
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Ferocious fingering of gushing cunt in the standard knifing motion. hand must be bladed to carry out act effectively.

This is usually performed after spooning and before forking!!
We was spooning for ages, so when we finally got round to knifing I did eviscerate the poor girl with my bladed hand.
by Ayoung18 May 28, 2012
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A tool carried by people from "the hood" for performing various daily tasks.
"shit man dems i cant eat ids big lump o cheese"
"no worries blud"
"i iz carrying a knife"
by man dems November 5, 2007
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To be slewn by a blade. Usually refers to CS.
I knifed a nub to cs coz I am a mofo! I am teh shitz.
by .NuKeZ January 13, 2005
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When you don't know how to make knife plural
Man, those are some sharp knifes.
(Stabbing of Jugular)
by JDizzly February 5, 2010
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