The KSI species is very special. Only one of it's kind. It's a wild animal, and can be seen making weird videos.
by UrFuckingMomGay August 24, 2018
Get the KSImug. Hello have you seen KSI oh yh the monkey with a small peinis with no hair on a beard and he sucks off simon and bully vik yh i know him
by Stepbro X Step bro August 23, 2020
Get the KSImug. A fat monkey who states that he is "bulking" but is really being an african who has been starved for 3 weeks and in an abandon buffet. Nigger.
by BiggerNib May 2, 2019
Get the KSImug. KSI stands for one thousand pounds per square inch. Or a fat Neek who cannot box at all. And has a dead trim as well as a shite beard.
Girl 1: EWWW! You know KSI that fat Neek?.
Girl 2 : Yeah he's so fat and ugly and bad at boxing. And don't get me started on his dead trim LMAO.
Girl 1: Also his beard is shit.
Girl 2: LOL! True.
Girl 2 : Yeah he's so fat and ugly and bad at boxing. And don't get me started on his dead trim LMAO.
Girl 1: Also his beard is shit.
Girl 2: LOL! True.
by ---Ace--- September 19, 2020
Get the KSImug. KSI or JJ Olatunji is a black British internet star and musician who is part of a group called the Sidemen.
He is also a fatneek and Babatunde would kick the shit out of him in a fight.
He is also a fatneek and Babatunde would kick the shit out of him in a fight.
KSI is a fatneek
by NInJaButInCAPS April 11, 2021
Get the KSImug. by Ahbaiyedeagen May 31, 2021
Get the Ksimug. 