30/30 Rule 

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"

30/30 Rule by Angrovar June 19, 2018

15-15-30 rule 

15-15-30
15 minutes eating ass
15 minutes licking clit
30 minutes fucking

A: sex with my girl has gotten boring
B: you should try the 15-15-30 rule

15-15-30 rule by Skittlesnacker March 27, 2022

10:30 rule 

When snapping past 10:30 it has to be a booty pic

10:30 rule tonight females!!

10:30 rule by puckin May 1, 2021

70/30 rule 130% 

Words of wisdom from Iron Ike during a trip to Southeast Asia after arriving in New Delhi on an 18 hour flight explains how things work in India

Iron Ike muttered that this situation followed the 70/30 rule 130% of the time before realizing the logic of the statement and it would forever be associated with his wisdom

70/30 rule 130% by El Diablo4eva March 31, 2025

2-2-30 rule

Date someone 2 years older, 2 years younger but when you are 30 or so it doesn't matter what the age gap is

Boys and Girls should follow the 2-2-30 rule

2-2-30 rule by 459395 April 26, 2022

Rule 30

What has been seen cannot be unseen.

"Rule 34 on that"

'Just remember Rule 30. You may not like what I have.'

Rule 30 by Mikums August 15, 2008

Rule 30

The rule stating that there are no girls on the internet.

*Girl posts picture.*
Not real! Rule 30!

Rule 30 by awesome9 November 5, 2011