Best Friends Rule

Having the fixation on doing equal sexual favors for a pair of best friends.
Brandon - Hey Libby wanna hang out?
Libby - Sure, only if Matt comes though.
Brandon - Best friends rule?
Libby - Oh yeah, all night ;)
by MattH1008 January 18, 2009
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1/2X+7 Rule

A algebraic equation useful for determining the youngest age-cutoff a female may be before the guy dates her. Let X equal the male's age ( Or female, if she's older.), while Y will represent the youngest age of a female a guy may date.

Next, identify the male's age and replace "X" with it. Suppose Jim was 15. We write it like this:

1/2(15)+7

Now, the Order of Operations principal applies here! Divide one by the two to get one half, and then find half of fifteen. Don't forget to keep the seven; It would be disgusting if Jim dated a 7.5 year old!

7.7+7

Add the number, matching up the place value carefully, and there you have it; Jim may date a 14.5 year old girl if he went for younger women.
If you are shit at math and/ or the 1/2X+7 Rule, here's a table for you, you lazy fucktards.

Male: Female:

15 14.5
16 15
17 15.5
18 16
19 16.5
20 17

Etc... So on, and so on. The coefficient is 1/2, while the constant is 7.
by BeerChuggin'German May 23, 2010
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Ten to One Rule

A standard female to male orgasmic ratio held by men of particular knowledge during sexual encounters, whereby the bare minimum of the female partner’s climatic satisfaction remains proportional to the ratio of 10 in relation to the male partner’s singular disengagement.
Ten to One Rule - Female to Male Ratio:

10:1 - Initiated

50:5 - Accomplished

100:10 - Master

Note:

10:1 - 40:4 must occur within the same evening

50:5 - 90:9 must occur within 24 hours

100:10 must be completed within 48 hours
by Omega00 November 25, 2009
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90 10 100 Rule

The rule which states that...

90% of the time a person is no more than 10km from their home, and 100m from their car
I couldn't find you anyware, you broke the 90 10 100 Rule.

by Nards-otc@yahoo.com.au October 09, 2007
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(random number) second rule

When you drop food on the floor and it takes you longer than 5 seconds to pick it up, you shout a random number larger than 5.
*drops food
"(random number) second rule!"
*picks up food
by kj7771 May 19, 2008
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Two vs One Rule

When a group of 3 friends make a contrasting decision, the side that has 2 votes wins, no matter what. If the loser becomes frustrated then the victors have the rate to state “Two vs One Rule”.
Iefan wants to go to the store, Adam and Jack want to go to the park. Jack and Adam both state “Two vs One Rule” which settles the dispute.
by Waffle_Iron_McGee April 19, 2018
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Solar Flare rule 34

Hentai depicting Solar Flare from Plants vs. Zombies: Heroes that’s disturbingly common within the plants vs. zombies community. Just searching up things about the game will result in you finding it. Some find it hot, some find it gross some don’t care and some bully and death-threat people who like it, which is just as fucked up.
Person 1: Searched up Solar Flare pvz and I got a bunch of pvz porn wtf?
Person 2: It’s just your occasional Solar Flare rule 34 so get used to it. We’re all traumatised
by This-user-likes-pvz September 26, 2023
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