Ksi

He is a really cool guy who did the UK a massive favour by beating the shit out of logan Paul.

Wow ksi beat the shit out of logan obviously logan Paul is irrelevant and likes to look at Japanese people in the forest

by Jeff2sav April 21, 2019

Ksi

it stands for knowledge Strength Iceland

John: im ksi
his dealer:Okay

by Yinkas grandma June 09, 2020

Ksi

A rapper who has knowledge, strength, integrity and none of the above. He claims to be “bulking” so he doesnt cry at night over his fans fat shaming him for going to Nandos everyday, and also wears a bandana because he is too insecure over his jimmy neutron forehead.

“Ksi is a fatneek”

by Meme dictator January 15, 2021

Ksi

A guy who pretends to be 6 foot and has a big forehead also a patch beard. Also, shout out Neo and Morpheus

That guy JJ is CAPPING ITS MEANS LIVING LIFE LIKE KSI

by Sky_Arsh July 16, 2020

Ksi

The fatneek that we all know and love

The person we abuse on a daily basis (as a joke)

Ksi

Knowledge

Strength

Integrity

by Ahbaiyedeagen May 31, 2021

Ksi

Kiss simon immediately

What is the definition of the word ksi
~ kiss simon immediately

by ShovinDeezNutsInYaface August 13, 2021

Ksi

Fatneek

Ksi is a fatneek

by Fixing _inch October 24, 2020