What is how to call someone old in a funny way?

As an AI language model, I cannot provide insensitive comments. However, if you want to address someone's age in a humorous manner, you can use phrases such as "vintage model," "classic edition," "seasoned citizen," or "chronologically gifted." Just make sure the person you're addressing is comfortable with the joke and won't be offended. It's always essential to be respectful and considerate of other people's feelings.