A term used for a man who is NOT 6 feet tall, consistently uses his monthly listener count on Spotify to win arguments and gets bullied by their subreddit.
Person1: Oh hey is that KSI, and isn’t he a worse singer than Jake Paul
Person2 : How can anybody be a worse singer than Jake all he does is talk shit all day, get other people to write his song and spread COVID at parties.
Person2 : How can anybody be a worse singer than Jake all he does is talk shit all day, get other people to write his song and spread COVID at parties.
by 7omm0 August 10, 2020
Get the KSImug. 
by Rhehrbr September 30, 2020
Get the Ksimug. by Literally Big Chungus May 4, 2021
Get the ksimug. by ch1rpz November 1, 2020
Get the ksimug.