When an author appears in their own work of fiction and interacts with the characters they’ve created.

The phrase is a nod to “Breaking the Fourth Wall”, wherein characters acknowledge the fact that there is an audience/that they are in a work of fiction. (Famous example: Deadpool)

See also: metafiction
Dude 1: Do you ever read Pearls Before Swine?
Dude 2: Yes! I love how he’s always breaking the ceiling in that strip.
by Prof K1792 February 22, 2019
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