KSI

Nothing screams integrity more than slapping your mom at Christmas also KSI is black
by Big_titty_nigger November 26, 2019
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KSI

KSI is an acronym for a gaming community/organization that is over 10,000 members strong. KSI stands for Knowledge Strength Integrity AND Killing Services
Incorporated. Members from this clan have gone to MLG events, and KSI has their own professional players. A common misconception is that: "If you are in KSI, you have to be good at that game." This statement is incorrect by all means. KSI has clans that welcome all gamers aged 16. and older. KSI does have pro clans in fact that you DO have to be good at to join. KSI, as a community discourages and despises cheating in any way. KSI is also a professional organization, made up of its members. KSI keeps clans well kept, and organized. KSI has a ranking structure, a uniform policy, and a GamerTag change policy to reach leadership ranks in the ranking structure. KSI, overall is a good gaming community/organization that enjoys interacting with eachother, and having fun.
1) That guy we met in matchmaking last night was in KSI.
2) That KSI guy is pretty good.
by KSI Kill Sins 7 November 06, 2007
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KSI

The biggest coon you will ever see. That guy that has the most annoying laugh but makes your life so much crazier. He is dumb and smart at the same time.
“Did you see that black guy I was just talking with? What a KSI...”
by Kebabisverynice May 28, 2019
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KSI

Online Gaming Community consisting of over 12,000 members, spanning across many different games, including, but not limited to: Halo 2, Halo 3, CoD4, Runescape, WoW, Battlefield: Bad Company, and many more. An age restriction of 17+ was installed in May of 2008 in order to weed out whiney and immature gamers, and to improve the community as a whole. KSI stands for Knowledge, Strength, Integrity. (see ksiglobal.com)

KSI is made up of 45 different divisions, with names such as Double Helix, Synthetic Reality, etc.

Gamers joining are required to change their icons and mottos to reflect their squad and division. Example, joining the squad Fatality in the Synthetic Reality Division would show up on your Motto as, "KSI Fatality SR."

Any who question the authenticity of KSI are encouraged to add KSI Kryox on Xbox Live.
"Can I join KSI pl0x0rz??!"
by KSI Kryox July 30, 2008
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KSI

Stands for Killing Service, Inc. One of the top elite Halo 2 clans. Many branches include KSI Firewall, KSI Power, etcetera etcetera. Has strong competition with MLG.
Even though everyone who plays Halo says they hate KSI, they'd suck a dick or two to get in.
by Squiz May 17, 2006
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Ksis

A special kind of kiss, created by two special faces at Keele University in the Spring of 2009
She gave him ksises because it was far better than giving him kisses, obv.
by Keele Beb April 17, 2009
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KSI

A fucking dumb baboon african booty

scratcher fucking nigger cotton picker but is still my daddy
by big daddy long slong October 24, 2019
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