The thing that everyone knows about but can not explain. It happened one time, it may never be repeated, can be used to engage in secret conversation about the subject to someone else who knows of its origins.
Guy 1: "Dude, it's really cold today!"
Guy 2: "So cool."
Guy 1: "Let's go somewhere private, I don't think Guy 3 knows."
by paryrock009lol June 20, 2011
A YouTuber from Gary, Indiana with almost 5.1 million subscribers and lives in a 15,210 square ft mansion in Henderson, Nevada that he calls "So Cool Land"
by Koolkid72 January 14, 2018
Cj so cool is the best YouTube ever. He helps people stay focused in school or career. He has a beautiful and loving family. His family is a he best and happiest family on youtube.
Cj so cool is the best.
by Princess Gabby July 14, 2019
Mr so cool is just so cool
-You hear of Mr so cool?

-Yeah I hear he's pretty cool
by Mr so cool June 7, 2019