KSI

Kiss Simon Immediately

KSI stands for Kno-
Kiss Simon immediately

by Don't Subscribe April 19, 2021

KSI

A youtuber that uses the phrases:
Bamgin
Aknihow
Gangshit

Person 1-do u know KSI

Person 2-yes the weird guy that can't grow a beard properly

by SamTheMan368 January 30, 2020

KSI

The only Nigerian YouTuber with two dimond play buttons does Reddit videos has multiple personalities and uses the terms: fuck sake, ting, raaa, guys I’m 6 ft what do you mean, allow it fam, fucking cunts.

What is that fatneek of a mans YouTube name? Oh yea it’s KSI

by KSI_is_dad October 07, 2020

KSI

A person with a big forehead

WOW! That KSI over there has one big forehead, bigger than Mount Everest

by FIFA 20> Madden NFL 2005 June 25, 2020

KSI

KSI is the youtuber that did the world a favor and beat Logan Paul silly.

KSI wears a bandana 24/7 in his videos

by **TINGTING** August 27, 2018

KSI

a fat neek

Ksi is a fatneek

by Brrrthegreat November 25, 2020

KSI

He is a very famous Youtuber,Rapper,YouTube boxing champion,Comedy Artist,etc.
Full form is Knowledge Strength and Integrity.He has over 20 million subscribers in youtube.

Hey did u see the new Vid of Ksi it is damn good

by Wizz 25 March 01, 2019