KSI

A fatneek who claims to be bulking and doesn't have the fucking ability to grow a beard his redeeming quality is his mid music and him being together with Simon "Mini" Minter. He has Knowledge in his name but the neek can't even recognize his own song. He's legally a lord so ALL HAIL LORD FATNEEK.

Look it's the rich Fatneek from youtube KSI aka THE BULK

by Stop Bearus Hate July 1, 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

a person with a strong ashy elbow that can knock a 40 year old out cold

that dude with a massive forehead and snake hairs is ksi

by urbenwrongspell June 6, 2023

KSI

A person who lives a very rich and upper class life since he was born. But pretends to be a roadman using slang that he knows nothing of

“Oi wagwan fam” “kill yourself KSI you fat prick”

by Taika June 4, 2022

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