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If it exists, there is porn of it. If there isn't, there will be.

Only one known exception: rule 34 itself.
1: Hey, do you know if there's any Power Rangers porn out there?
2: Rule 34.
by nsrtnmhr September 07, 2011
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/ryool-thər'-tee-fohr/ n., pl. Rules 34 - The 34th rule of the Internet, which states that any object, character, or media franchise imaginable has porn associated with it. The only exception to this rule is outlined in Rule 35.

v., p.t. Rule 34'd - To make an object, character, or media franchise comply with Rule 34.
Rule 34 even applies to Magnemite.

In 10 years, the younger fans of My Little Pony: Friendship is Magic will discover that their favorite characters have been Rule 34'd.
by PikalaxALT August 15, 2011
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Generally accepted internet rule that states that pornography or sexually related material exists for any conceivable subject.

Additionally it is accepted that the rule itself has limitations and you cannot be too specific on the content of the item in question.

Most commonly used on various message boards for various reasons, from humor to cruelty.
I invoke rule 34 on the Rescue Rangers. What have I done.
by Nukeitall March 30, 2006
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There is porn of it, no exceptions. It is an internet based "rule" derived from a set of generalizations about things you will find on the internet, this one basically referring to how no movie, show, books, or especially children's cartoon is safe from having porn drawn of its characters. It is usually accompanied by people who claim viewing it has "raped their childhoods."
If there is no porn of it, which is of course impossible, it invokes rule35: if there is no porn of it, porn will be made.
Guy 1: There is no porn of The Lion King. It's a child's cartoon!

Guy 2: Have some rule34. *shows porn*

Guy 1: Nooo, my childhood! *cry*
by Durking July 06, 2008
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