"Her Epsteinian Ethics were well defined. The island was at least well curated, with a fundamental regard being paid to the sustained beauty of the gardens. They, at least, were well tended."
Epsteinian isn't a realword, but a slang. It refers to a made up language where you just type black boxes. This is a reference to the Epstein files, and how most of the words are covered with black boxes.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi