You heard of that UK ksi he a pissboi
by Nigeriaboi123 September 9, 2020
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Ksi is a black dirty nigger who has a brother that made a Diss track on him including all his 'nemesis' which is better than any other song he has made in his entire music career
Ksi is a dirty nigger who has no taste in music.
by Ksithenigger November 14, 2019
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Some shit hole who beats up people in a box with wires surrounding them and then somehow wins. he even says some words with some instruments playing sounds in the background and he says the word in a tune. he sucks at both.

Theres people like Swarmz who should get more recognition, hes the coolest person in the world, Hes so good at rapping and boxing no one can do anything to him. KSI sucks!
Man: Hey bro do you know KSI.
Man 2: Yeah, Do you like him?
Man: Yeah, hes kinda funny
"Gun Cocks"
by Monkey Melon Car October 8, 2022
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Ksi means Knoledge, Strengh and Interity

ksi also is a youtuber that challenged logan paul to a boxing match, drew and is going to knock him out on november 9th
his also a nigger
KSI is a guy who will fuck the paul up
by FUCK LOGAN PAUL October 10, 2019
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