KSI

A famous British YouTuber who has 21 million subscribers. He is also a Rapper and Boxer. He is part of YouTubes' most known group The SideMen.

have you seen Ksi he's most probably in his prime

by Yourfavdaddy March 10, 2020

Ksi

A shithead that is a virgin and buys fame of ebay

Ksi shat on a table and acted like it was cool

by Ksi.is.***** April 16, 2019

KSI

A black nigga who won a white leg boy in a boxing fight,fight was promoted from those niggas da zone,he was a nigga that played fifa where you throw balls,when I played fifa I chose ass,he also made rap where alot of niggas listened to it,he made a song called Down like that,he has 20 millon niggas on YouTube,he gets alot of pussy,wow,what a nigga!

Person 1:Yall know KSI
Person 2:Yeah,he won a white bitch,cunt,twat,dick sucking,shitty ass,has a dad from a 1 star rated on Yelp gay strip club, Logan Paul

Another example

Person 1:Ahhh,that Logan Paul is apparently "dabing" on me,how do I stop him?

Person 2:Get A KSI

Logan paul:YEEEET
*YEETS OUT*

by Ahmed Hossam November 16, 2019

Ksi

Kissing some infants

He is KSIing

by Hdhsbrbejjwksndndkakskkd June 2, 2021

KSI

shit on

i KSI this kid in fortnite like KSI shot on logan

by reeeeeeeeeeeKID October 24, 2020

KSI

He thinks he's bulking but he's bulging. He is a good youtuber but shit at boxing

Ksi is shit at boxing

by one sexy mf June 10, 2020

Ksi

Ksi is a fat coon that rapes his own mom

Ksi is incest

by Adrien prakashan December 4, 2019