'Fun' is a subjective thing.
Some people find puzzles a fun way to spend time, and for those people, we have a page of challenging Puzzling Symbols. You might be able to solve them by looking at them from a funny angle.
Northern English monologues are another way to look at things from a funny angle.
Others find 'fun' from hearing (or telling) a good joke. And you know how it is... Somebody tells you a joke, you think it's funny, so you write it down.
Well, these are what we've thought worth writing down...