Top definition
A youtuber that uses the phrases:
Bamgin
Aknihow
Gangshit
Person 1-do u know KSI

Person 2-yes the weird guy that can't grow a beard properly
via giphy
by SamTheMan368 January 30, 2020
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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2
The only Nigerian YouTuber with two dimond play buttons does Reddit videos has multiple personalities and uses the terms: fuck sake, ting, raaa, guys I’m 6 ft what do you mean, allow it fam, fucking cunts.
What is that fatneek of a mans YouTube name? Oh yea it’s KSI
by KSI_is_dad October 07, 2020
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3
He is a really cool guy who did the UK a massive favour by beating the shit out of logan Paul.
Wow ksi beat the shit out of logan obviously logan Paul is irrelevant and likes to look at Japanese people in the forest
by Jeff2sav April 20, 2019
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4
KSI is the youtuber that did the world a favor and beat Logan Paul silly.
KSI wears a bandana 24/7 in his videos
by **TINGTING** August 27, 2018
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5
a fatneek with a big forehead who beat the shit out of logan paul and gets bullied by his fans on reddit
person1:who is ksi
person2:he beat the shit out of logan paul
by ttvxnoxalx October 21, 2020
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