The site guidelines are here https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html Jokes aren't explicitly against

The site guidelines are here https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html Jokes aren't explicitly against the guidelines either, but I think the site likes to emphasize high quality content that will not alienate people who don't understand obscure references.