KSI

Olajide Olayinka Williams "JJ" Olatunji, better known as KSI, is an English YouTuber, internet personality, rapper, actor, and boxer. He is also a member and co-founder of the British YouTube group known as the Sidemen. In 2009, KSI registered his YouTube account under the name KSIOlajideBT

KSI bet Logan Paul!

by NeverGonnaGiveYouUp December 26, 2020

Ksi

kiss Simon intensely

honestly jj just ksi

by lick my ⚽ October 4, 2022

KSI

Ksi means
Kiss
Simon
Immediately

Person 1: what does Ksi stand for?
Person 2: Kiss Simon Immediately

by Ksi_official April 14, 2021

KSI

Ksi is a British youtuber who bullies vik
Full form of ksi is knowledge snake integrity
Can be easily identified by his black snake hair

Oh look that's ksi the fatneek

by Knowledge snake integrity October 5, 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

The definition of ksi is rich monkey this dude is the plug not the but plug DA PLUG HE EAT ASS AND HE BUULIE VICKSTAR and world record of foreheads

KSI IS THE PLUG BRO

by ey wanna fuck?!?! May 3, 2019

KSI

A god with good music and sick hair.

This KSI dude is alright. I’m gonna put this on my playlist!

by Madness Ting Train July 30, 2021