fan service
n.— «Fan service is anything in media that is there because the creators think it will please the fans, not because it advances plot, theme, character, or any other overall value of the work.» —“Re: What’s a Fan Service?” by Slithy Tove (slithy@pobox.com) Usenet: rec.arts.anime.misc Dec. 1, 2000. (source: Double-Tongued Dictionary)
Further reading
If you take up texting and social media late in life, there’s a lot to learn! A twenty-something wants advice getting her dad up to speed on memes, Instagram, and animated images. Plus, when you’re on a long road trip, what do you call...
Some college students are using the word loyalty as a synonym for monogamy. Are the meanings of these words now shifting? Plus, a biologist discovers a new species of bat, then names it after a poet he admires. Also, warm memories of how a childhood...