KSI-ing

backstabbing someone...A bit like what KSI did to Deji
Guy:WOW, did u see that man, he enjoys KSI-ing everyone
Girl:Yeah, did you see what he did to his bro
by Rouge_ May 28, 2019
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Old ksi

Old ksi: Back in my day I won fights

Kid then:ok boomer
by A person who say ok boomer November 15, 2019
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KSI Show

A shit Concert that was hyped up too much and was too expensive
by JoneJonesjuniorson July 24, 2021
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KSI Daddy Atty

Stunning, 4'5" gamer girl that only wants her Takis and her bestest friend KSIeasiestTuna8 by her side to play rainbow 6, The only challenge that she shall face is reaching something off the top shelf... RIP
John is like KSI Daddy Atty And can't reach his favorite macaroni cheese.
by thewarfish December 15, 2021
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KSI Vs Logan Paul

a Youtuber boxing match coming on August 25th most people are waiting for and the rapper Post Malone is rooting for KSI
person 1: hey dude are you excited for the new ksi vs logan paul boxing match?
person 2: yea bro! who are you rooting for??
person 1: Logan Paul who are YOU rooting for???
person 2: BITCH YOU STUPID
by ESKETEKMYBROODA July 23, 2018
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KSI's little brother

Person 1: Have you heard of Deji?
Person 2: Is he KSI's little brother?
Person 1:Yeah
by dd-98 September 23, 2017
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