KSI

A cool London rapper / Boxer / Youtuber who likes spending money on things like 500k anime necklaces and 200k watches just for tax returns

He also beated Logan Paul twice, what an absolute unit

KSI demolished that silly boy logan paul

by Jon does sugar November 10, 2019

KSI

Fatneek

KSI's a fatneek

by Pillow42 January 28, 2021

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

small man with a big forehead

Hey look there's ksi he's a small man with a big forehead

by shushbequiet April 9, 2021

Ksi

Just a big fatneek

Ksi is a FATNEEK.

by Tayem is a shitbox lover November 22, 2021

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

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