1 definition by MikeElvens

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
KSI is a big ass fatneek
by MikeElvens October 15, 2020
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