The English language’s most successful export is a joke
Here’s a quiz: let’s say you’re setting off to see the world and aside from please and thank you in a smattering of languages you pretty much only know English. What is the one word that most of the people you encounter will also know?
That’s right. It’s OK.
Cool cool cool.
Yep. It’s very probably the most widely recognized word in the world. And its origin story is literally a joke.