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

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 14, 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 11, 2021