Imagine the relationship of E Clampus Vitus to the study of history, and the hash house harriers to running. The French literary club Oulipo seems to have a similar but slightly more serious, but equally free-spirited relationship to literature. (In a curious contrast, many modern French philosophers seem to have the same relationship to philosophy with the serious difference that they portray themselves as serious; whether they believe that themselves is another question.) Here's a second link. One of my personal favorites Italo Calvino is a member in good standing despite the challenges posed by having died in the 1980s.
You can find what as arguably an experiment in science fiction here; enjoyable either way.