KSI

As of last night he beat Logan Paul’s ass.

Dude did you see KSI kick his ass?

by @andyloll2 November 10, 2019

KSI

He is a monkey

Omg look who’s in the tree in the jungle it’s KSI

by Wiener5556678 August 14, 2019

KSI

A guy who thinks that its weird to get hyper in 2021 because he is too cool.

WOW. GET HYPER. MUCH CRINGE.

- KSI 2021

by XX_POGSTAR_XX February 19, 2021

KSI

KSI is when you have a big forehead and wears bandanas 24/7 to hide it, if you are relatable to that then you are a KSI
KSI stands for Killing Stupid Idiots

KSI is stupid

by KSI LGBT March 2, 2019

ksi

a cunt/backstabber/coon

person: ksi is such a cunt

by NIMPROD April 18, 2018

KSI

A monkey

KSI is a monkey

by Wiener5556678 August 14, 2019

KSI

KSI is where you fuck to many people to be true. You brag about it to your friends and then you're friend doesn't believe you.

OII KSI wann come fuck?

by afef ae May 17, 2021