KSI

They guy who beat Logan Paul in a split decision

KSI is a fatneek

by KSI is a bosssssss April 19, 2020

ksi

ksi is 5 10

someone like ksi is a specific height

by william olatunji July 03, 2021

KSI

Short form for 'kiss simone immediately'.

Has a 12 inch d*ck. Overall a sexy beast.
And the goat youtube boxer. And a damn good rapper.

Heyy look who's here 'ksi' omg he's the best.
I wish i could learn boxing from him!

by Dammmmmnboi November 25, 2021

KSI

KSI stands for Knowledge, strength, integrity

KSI is a lad / top shagger

by j.d_joe November 13, 2019

KSI

A black man who beat the fuck out of Logan Paul and never regrets it. He wants to fight again but the arshole

Logan is to scared cause he knows he’s gonna lose what a nonce.

KSI beat the fuck out of Logan Paul like a champ.

by KSIVSLOGANPAUL May 10, 2021

Ksi

A fat neek with a beard that does not connect

Oi ksi you fat neek

by Banchode? June 17, 2022

KSI

KSI is our beautiful fatneek. He has more tits than your mum, and he beat logan paul

KSI is also ALLOW IT MAN

by kim tyung November 23, 2021