KSI

Cheeto haired fat nigga that gets hyped when he receives compliments about his new album dissimulation but all the people want to hear is offset, trippie redd and Lil baby. He also has a gay brother.

Guy 1: "Hey who's your favourite rapper?"
Guy 2: "KSIII"
Guy 1: *Proceeds to load Glock-9"

by RIKIIIIIII June 11, 2020

ksi

A fatneek black dude who is "bulking" while simultaneously causing people's ears to bleed with his "rapping". Should probably call it ear raping. Just kidding JJ is the best lmao

Did you listen to ksi's new single?
Yeah dude I think I might need surgery.

by Moylestorr March 1, 2021

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

Large forehead, patchy beard having, smelling fat Neek who abuses Indians with no remorse, and managed to defeat login pool.

Hey! It's that fat smelly neek who can't row a beard! Look at the size of his forehead!

It's that fat neek KSI who abuses Vik and his poor editor Mo :(

by ?No? October 26, 2020

KSI

A big Fatneek. A person who loves to lose weight even though it doesn't work.

My brother's a real KSI, he doesn't give up.

by dutchdorm September 17, 2021

KSI

KSI is a clan in Halo

KSI now means Knowledge, Strength and Integrity

Make up your mind JJ

“Yo Fitz lets play Halo, I heard KSI is giving some rewards!”

by Holy!oly August 12, 2019

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