fan service n. a feature, inside joke, or obscure reference included in entertainment primarily to please a core fan group, or a work of entertainment expressly created for that purpose; (hence) in anime and manga, visuals which include nude or semi-nude figures. (source: Double-Tongued Dictionary)
Further reading
A Dallas, Texas, woman and her friends often use the expression All the things to mean something like and whatnot or as a way to signal a kind of mutual understanding, suggesting something similar to the phrase you know. This sense probably comes...
There was a time when William Shakespeare was just another little seven-year-old in school. Classes in his day were demanding — and all in Latin. A new book argues that this rigorous curriculum actually nurtured the creativity that later flourished...