An infamous internet rule that no one seems to accept. For anything on the internet that exists, someone, somewhere, somehow will find a way to sexualize that. It can go from video game characters to cartoon characters to animals to popular persons to non-human living things to non-living objects or things.
"Dude, they already made Rule 34 of Cuphead."
"Aw fuck."
by someotherkid2021 December 6, 2017
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A Soviet WW2-era medium tank.
While not as rugged as German Tigers, the T-34 crude diesel engine was more resistant to extreme cold weather.
by Gene April 8, 2004
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Technically it's 69 but NOW its a song in Ariana's new album "Positions". Anyways make sure you're streaming!
"WOW I LOVE 34+35!"
-mom: WHAT?!?!
"omg no it's Ariana's new song!"
by positions October 31, 2020
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someone who can suck their penis or vagina,69ing by themselves.
that circus freak is so limber he can suck his own dick, he don't need a partner to 69,thats a 34 and a halfer.

taking matters into your own mouth.

if you want something done right, do it yourself.
by snatchtrapp September 1, 2008
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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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If it exists, there is porn of it.
I posted a picture on /b/. I rule 34'd it. Dear God.
by Captain Jean Luc Picard October 29, 2006
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