The definiton of Reisify is a 14 year old boy who has a 20cm cock as well, does skits and music he is currently doing a £10 gift card giveaway at the end of 2019 he is going to drop a album called AGGRESSION.
He has a youtube channel called Reisify and has 20 subscribers
He previously had a youtube channel with over 730 subscribers and got terminated for spam comments
What is Reisify (check the urban dictonary)
Ksi means Knoledge, Strengh and Interity
ksi also is a youtuber that challenged logan paul to a boxing match, drew and is going to knock him out on november 9th
his also a nigger
KSI is a guy who will fuck the paul up