- a large quantity of backstory, or background information, supplied at once, often as a narrative at the beginning of a story, film, etc.: The first eight pages are heavy with an infodump about Harry’s childhood in Iceland.
- to provide a large quantity of (backstory) at once: I like when the background is fed to me gradually, rather than just infodumped.
- to provide (a reader, viewer, etc.) with a large quantity of backstory at once:If you’re going to infodump us, at least make it interesting.
- to provide a large quantity of backstory at once: In the rewrite, the author infodumps, which works well for this story.
