If you came here to find the defenition of KSI then you're oficially stupid.
its THE man the MYTH the LEGEND AKA Mr.Knowledge
sub to KSI and jj olatunji.
its THE man the MYTH the LEGEND AKA Mr.Knowledge
sub to KSI and jj olatunji.
by NOAH1818 June 6, 2021
Get the KSImug. Ksi is a British youtuber who got famous for playing fifa in his moms basement and the got famous for dressing as a teletuby and played a song called “get hyper” after that he became a professional music artist and professional boxer now he reacts to his subReddit and covers his forhead with a bandanna.
by Poopoopepe6969 July 23, 2020
Get the Ksimug. Youtube's most subscribed black person. He has a big black dick and he has been on YouTube for 10+ years!
Actual meaning for "K-S-I" is "Knowledge - Strength - Integrity" But the fucking problem is, he only has strength..
so mate, change you fucking name to S.. yes, just S
Actual meaning for "K-S-I" is "Knowledge - Strength - Integrity" But the fucking problem is, he only has strength..
so mate, change you fucking name to S.. yes, just S
by MikeElvens October 15, 2020
Get the KSImug. by urmominmybed69420 March 24, 2022
Get the KSImug. 
