KSI

The KSI species is very special. Only one of it's kind. It's a wild animal, and can be seen making weird videos.

"Here we see a wild KSI here in london"
"Here it is. The wild KSI!"

by UrFuckingMomGay August 24, 2018

KSI

A monkey with a small peinis with no hair on a beard and he sucks off simon and bully vik #freevik

Hello have you seen KSI oh yh the monkey with a small peinis with no hair on a beard and he sucks off simon and bully vik yh i know him

by Stepbro X Step bro August 23, 2020

KSI

nigga who thinks he can rap

ksi

by AKOOO June 10, 2019

KSI

A fat monkey who states that he is "bulking" but is really being an african who has been starved for 3 weeks and in an abandon buffet. Nigger.

Hey Joe there is a KSI in here!

by BiggerNib May 2, 2019

KSI

KSI stands for one thousand pounds per square inch. Or a fat Neek who cannot box at all. And has a dead trim as well as a shite beard.

Girl 1: EWWW! You know KSI that fat Neek?.
Girl 2 : Yeah he's so fat and ugly and bad at boxing. And don't get me started on his dead trim LMAO.
Girl 1: Also his beard is shit.

Girl 2: LOL! True.

by ---Ace--- September 19, 2020

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

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