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Rule 18

Do not watch porn with a girl they think of crazy things to do afterwords
*movie ends*
Girl: Hey lets go do *beep* and *beep* and than *beep* and than *beep* and than *beep* ok?
Guy *looks at girl* WHAAAAAAAT!?!?!

rule 18
by LordSalty March 4, 2009
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Rule 18

If you are reading this rule and you don't own the device that you are reading it on, you will be hit by the owner in any form or fashion that they choose.
Sam: Dude check out this rule
Jimmy: Hey! That's my phone!
Jimmy: Rule 18 (Hit)
Sam: Damn It
by DaCsquared November 6, 2010
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rule 18 for voice calls

if shes gonna masterbate, the mic must be off if your mic is off. Equal rights, Equal fights and its simple
Girl: I am so horny, imma go mute and do smt rq
Man: "rule 18 for voice calls", BRO U CAN'T MUTE
Girl: Your right, I won't mute then
by evoshere October 27, 2022
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Space Rule 18

When inviting women to a party always remember Space Rule 18.
by chukheston May 26, 2018
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18 Second Rule

1. The term designated to the average time it takes a doctor to interrupt a patient who is describing their own symptoms. Coined in 1984 by Beckman and Frankel in the Annals of Internal Medicine. This is used by doctors to control the flow of pertinent information regarding the symptoms, keep focus on what's important, and keep the conversation brief.

2. An informal term designated to how much time it takes in average for a person or animal to completely empty their full bladder unimpeded and without forcing it. Briefly mentioned by the show Mythbusters during the testing of the myth "Peeing on Third Rail".
1. The patient may ramble on about their daily lives, but you gotta know when and how to intercede. In average, doctors learn when to speak in the examination at about 18 seconds. This is known a the 18 Second Rule.

2. Did you know that it takes you the same time to pee as an elephant does regardless of the fact that it's bigger than you? 18 Second Rule, man!
by Abarbarea February 25, 2021
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"18 Innings" Rule

In baseball circles, a term used to send a short texting. The rule signifies the unwillingness of a spectator/diehard fan to depart from a ballgame before its completion, irrespective of how many innings it may take to do so beyond the standard nine innings of the sport.

Origin of the term is not known, nor the reason for the selection of the number 18, except to simply note the length of two regular games. Potentially, extra innings can extend indefinitely past 18, but it's rare.
A text message by Friend #1 using "18 Innings" Rule:
"Game tonight? 18inn in effect."

Friend #2:
"Can't risk it. Long drive ahead early tomorrow morning... family vacation... but thanks anyway!"

Friend #3:
"I'm game. But will drive separately, just in case."
by Kayrocker October 4, 2009
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Rule 1881

An internet rule that states:
N00bs can not, under any circumstance, pwn ANYONE. This rule can not be ignored, changed, broken, or countered. A n00b is anyone who has joined a site less than 6 months ago.
A n00b: *Wins an argument*
Non-n00b: Rule 1881...
N00b: Damn...
by Alyssia Rain January 17, 2009
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