ksi

a fatneek with a big forehead who beat the shit out of logan paul and gets bullied by his fans on reddit

person1:who is ksi
person2:he beat the shit out of logan paul

by ttvxnoxalx October 21, 2020

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ksi

A clan on halo2 4 folks who need to feel special.They have a gay ranking system and most of them make u change ur icon or gamertag.They have 3000 different branches and each of them are equally gay.

I use to be in KSI until they said i had to make 5 ppl join the clan so i can be promoted to a 'member'.....

post game lobby

KSIxB1gF4gx:"Does anybody wanna join KSI?"
Me(King904):"Kill Yo Self!"
KSIxB1gF4gx:"Come on man,Please!"

by king 904 May 25, 2007

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ksi

A nigga with a carrot penis who defeated logan paul in a boxing match

oh he has a carrot penis, he must be ksi

by DarkAegis January 05, 2020

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ksi

A clan for halo 2 and halo 3. Stands for Killing Spree Inc. They have many branches and make you follow many rules. In the beginning they were good, but over the past few years have dropped dramatically letting virtually anyone in.

I was asked to be in the KSI clan, but I declined.

by k0lt0n November 27, 2007

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