ELI5: Explain Like I'm 5

Old Gutnish

Old Gutnish is a really, really old language that people used to speak in a place called Gotland a long, long time ago. It's like a secret code that they used to talk to each other and tell stories and jokes. But now, people don't really use it anymore because it's really hard to understand and not many people know how to speak it. It's kind of like when grandma and grandpa tell stories in a language you don't understand, but instead of just being one generation before you, it's more like hundreds and hundreds of years ago!