"Rule 34 on that"

'Just remember Rule 30. You may not like what I have.'
by Mikums July 20, 2008
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Rule 30 states if there is milf near you, you no longer have the flu.
Boy 1: Hey, I’m going to this milf
Boy 2: Don’t you have the flu?
Boy 1: Rule 30 man
Boy 2: Oh your’e right
by Mike Oclonng December 29, 2022
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Rule 30 : TITS or GTFO - the choice is yours.

Usually used on board websites, when a girl posts a picture of herself she has to options they are post a picture of her tits with a time stamp or gtfo.
Simple
How rule 30 works:
*girl post picture of herself*
Anon: Tits or GTFO
by Bossac1234 December 1, 2010
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Referring to The Rules of the Internet. Possibly the most important rules of them all.

Rule 29 states: In the internet all girls are men and all kids are undercover FBI agents.

Rule 30 states: There are no girls on the internet.

Very useful rules to know while using online chat rooms.
EXAMPLE 1--

normal teenager: r u a girl or guy?
girl(not): im a gurl.. cant u tell? <3
normal teenager: bitch step off i know rules 29 & 30

EXAMPLE 2--

strange man: So you're 7, eh?
little boy(not): yes, why?
strange man: rly? im 8. do you want to meet in real life sometime??
little boy(not): Sir, this is FBI agent Michael Scarn, I hereby place you under arrest. Anything you say can and will be used against you.
strange man: DAMN. I wish I'd remembered rules 29 & 30.
by da tr00f June 20, 2009
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If you can last 30 minutes in bed and can run for 30 seconds it is safe to fuck a crazy chick.
"you're gonna fuck Stacey"

"don't worry I fit the 30/30 rule"
by Angrovar June 19, 2018
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When snapping past 10:30 it has to be a booty pic
10:30 rule tonight females!!
by puckin May 2, 2021
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