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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
KSI by The Aquarium Lad December 14, 2020
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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.
KSI by allowitfam February 27, 2021
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
KSI by NInJaButInCAPS April 11, 2021
The fatneek that we all know and love

The person we abuse on a daily basis (as a joke)
Ksi by Ahbaiyedeagen May 31, 2021
What is the definition of the word ksi
~ kiss simon immediately
Ksi by ShovinDeezNutsInYaface August 13, 2021
Quadeca: Tell me a joke
r/KSI: KSI has knowledge in his name.
KSI by ksiolajidebtisafatneek February 13, 2023
Very small willy and logan paul beat him with 1 punch! He also wares a bandana to cover up his megamind forehead.
Ksi I was joking, he diddnt even punch you.
Ksi by Ksi Isbeast February 7, 2019