Adjective
metafictional (not comparable)
of, relating to, or being metafiction
In a metafictional touch, the husband is a writer working on a manuscript called "A Clockwork Orange," and Alex contemptuously reads out a paragraph that states the novel's main theme before shredding the manuscript. Source: Internet
This metafictional note is swiftly rejected (or ignored) as they turn their attention to the monster again. Source: Internet