KSI

Lord Olajide Olayinka Williams Olatunji is British YouTuber,rapper.professional boxer and internet personality from London.His known as KSI and he is also part of the British YouTube group Sidemen.He is one of the best YouTubers the world has ever had,he has proved many people wrong,he beat Logan Paul twice,and shits on Jake The Cancer Paul.

Guy 1: Broo,did you see how KSI destroyed Logan Paul?

Guy 2: Yeah bro,KSI violated him.

by allowitfam February 27, 2021

KSI

KSI

I love KSI

He is also known as FATNEEK and

by FATNEEK JJ October 22, 2020

KSI

KSI or JJ Olatunji is a black British internet star and musician who is part of a group called the Sidemen.

He is also a fatneek and Babatunde would kick the shit out of him in a fight.

KSI is a fatneek

by NInJaButInCAPS April 12, 2021

KSI

An african youtuber/boxer/rapper orginated from England, Watford. But claims himself as a nigerian.
K="knowledge"
S="strength"
I= Intergrity
Famous quotes
Allow it fam, gangshit, for fuck sake man, you guys are pricks, shut up, kilode, akneehow, etc
Other Names:
Follabi, Babatunde, Sir Theodore the 3rd, fatneek

KSI: Ah ah, kilode, its nice to see you ah!
Tobi: Ah ah, my nigerian brother ksi!
____________
Harry: KSI is a fatneek

by The Aquarium Lad December 15, 2020

KSI

a black nigger coon who's ancestors used to work for the Belgians in the Congo to harvest rubber until they moved to the soon to be state of Niggeria.

KSI sucks dick for $1.25 to make money & Miniminter made him.

by KSI's biggest fan April 24, 2019

KSI

a legend that fought Logan Paul and joe Weller and won both fights, soon a fight against Jake Paul.
He is a musician, a boxer and, a YouTube star.

KSI is part of the sidemen and he makes songs and, is a boxer.

by SHIBOO55 December 06, 2020

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