fanwank

/F AE1 N W AE1 NG K/
noun
  1. 1

    (fandom slang, derogatory) Explanations invented by fans (of a film franchise, television series, etc.) to gloss over mistakes in continuity.

  2. 2

    (fandom slang) Elements added to a television program or similar entertainment that appeal to avid fans but are of little interest to outsiders.

verb
  1. 1

    (fandom slang) Of fans, to invent explanations to gloss over mistakes in continuity.