Rule 34 

Rule 34 of the internet. This is the most infamous unwritten rule. It states that any famous object (both physical and non-physical), topic, fandom, or person has a pornographic counterpart.

In other words: "If it exists, there is porn of it."

Person 1: Do you think minecraft porn exists?
Person 2: Remember rule 34? Of course it does!
Person 1: Should I look it up?
Entire Room: NO.

Rule 34 by That_Nerd22 July 24, 2018

Rule 34 

Stemming from a text-file written in 1978 on BBS's, declared rules and what to expect for "newbs"(pronounced newbies, short for "new BBS users").
This transfered later for new internet users.

Rule 34 -if it exists, there will be porn of it.

Rule 34 by [ARB1D3_[00L3R February 17, 2019

Rule 34 

Rule 34 means "be polite".

Person 1: I drew porn of your character, fuck you!
Person 2: STOP, you're breaking the rule 34!

Rule 34 by MrBober June 19, 2021

Rule 34 

Porn

Rule 34 Website full of tons of porn my little pony has alot of porn and furry rule 34

Rule 34 by Mlpfan3 February 1, 2023

Rule 34 

A rule that basically states that if something exists , it has or will inevitably have a porn version of it at one point.

Person A : Ayoo what is spongbob doing

Person B : ever heard of rule 34 ?

Rule 34 by DefMas August 7, 2023

rule 34 

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.

rule 34: god is everywhere in any body

rule 34 by sexy 661 March 9, 2011

Rule 34 

There's porn of it, no exceptions.

Note* The other definitions are wrong, there is porn of things that don't exit.

"Hey did you hear? Stephen Hawking bought a horse, damnit rule 34"

Rule 34 by Gary Z June 5, 2007