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Fictional knowledge believed to be true because it was seen in a movie.
Bob: I'm selling this dude some reefer.
Jim: Make sure you ask him if he's an undercover because if he is, he HAS to tell you!
Bob: Dude that's HOLLYWOOD KNOWLEDGE, if a cop was working undercover and "had" to tell you undercover cops wouldn't exist!
by Adam Mutha Fuckin Tee August 28, 2016
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