openmic.social is an uncensored community. You may encounter strong language, controversial opinions, and mature or NSFW material. You must be 18+ to browse. Illegal content is prohibited and removed on sight — please report it. By continuing, you accept that you may see content you personally disagree with.
This is my guess too. I personally knew of some examples dating back to the 70s using it, but apparently ‘coolness’ as a term has been around since at least the 15th century.
Cool as a slang term in modern usage dates back to the late 1920s. It’s been a sustained century of constant usage
That’s so cool.