fancruft

Trivial or excessively detailed information on a work of fiction added by fans to a general-interest wiki.

Fancruft (sometimes shortened to just cruft) is a derogatory term for these types of articles, which are sometimes just barely tolerated.

This contrast shows how dedicated Star Wars fans use the niche Wookieepedia to create and value content with a vast amount of detail and precision, even if the same content is viewed as fancruft within the more general Wikipedia community.

Low-quality material (especially literature) produced by fans of a performer, group, author etc.

Here, Talking Dead forwards its own subtle policing strategy, celebrating the moment of canonical coupling in which Richonne is elevated from feminine “fancruft” to a legitimate topic of conversation, simultaneously reveling in and poking fun at Brown's deep emotional investment in coupling.