KSI

A YouTuber and boxer with a massive ass forehead, a shit beard and a shit trim

Person 1: have you heard of that guy KSI?
Person 2: yeah he has a dead hairline

by Evadence August 9, 2020

KSI

An adult baby who is still crying over DanTDM’s tweet

“You know KSI?”

“Ohhh the British guy?”

by refutableodinthefirst January 3, 2025

Ksi

Absolute knob

You are a Ksi

by Huffy I’ll June 12, 2022

KSI

Youtube's most subscribed black person. He has a big black dick and he has been on YouTube for 10+ years!
Actual meaning for "K-S-I" is "Knowledge - Strength - Integrity" But the fucking problem is, he only has strength..
so mate, change you fucking name to S.. yes, just S

KSI is a big ass fatneek

by MikeElvens October 15, 2020

KSI

big nigga, fatneek, gives out platnium

KSI IS A NIGGA

KSI IS A FATNEEK

KSI GIVES OUT SO MUCH PLATNIUM

by urmominmybed69420 March 24, 2022

Ksi

A man who is deeply in love with miniminter

Ksimon is real

by Ksi/reddit August 24, 2021

KSI

a fat neek

guy 1: who's that

guy 2: it's ksi

guy 1: wow he's a fat neek

by YeetusFoetus October 14, 2020