Rule of the snag. 

To grab someones seat after they get up to use the bathroom or get food.

Bill: "Hey, I was sitting there."
Tony: "Sorry, rule of the snag."

Rule of the snag. by Jeff Grode November 10, 2008

ruler biscuit

no one really knows.

"Man hide your money
Hide your dope
And hide your ruler biscuit
It's like so devestated
The way i stay so jaded"
-Andre Nickatina, Coka Cola

ruler biscuit by JennyandKenny..andJeff February 7, 2009

Rule 1701 

Not only is there fanfiction about everything but nearly all of it is crap.

The reboot of Tomb Raider proves the veracity of Rule 1701.

Rule 1701 by Ostercy Janson De Couet September 8, 2011

Rule 34 Halloween costume 

A sexy Halloween costume for women, based on something not generally considered sexy.

Some current examples of Rule 34 Halloween costumes you can buy: sexy Grinch, sexy Lorax, sexy Hamburglar, sexy ear of corn, etc.

Rule 34 Halloween costume by SyDy September 27, 2013

rule 387

Fake and gay

Guy1:"DUDE, I DID THIS REALLY COOL TRICK!"
Guy2:"Rule 387"

rule 387 by Not Ke$ha September 8, 2015

lol rule

when the term Lol is used to make something that would normally be socially unacceptable when said ok. also used with lmao, rofl, and jk for more serious statements

Nicole: I told him that i hated him and that i never wanted to see his face again, but then i used the lol rule to make it ok

mike: i told her that i was gonna come over to her house tonight and she didnt seem to like it so i used the lol rule and it was fine after that.

lol rule by dpac1092 October 7, 2009

The rule 

If you are in love with someone and they ask for nudes, you have to send them.

Man:”I love you”
Woman:”I love you too”
Man:”Send nudes”
Woman:”No!”
Man:”I don’t make The rule up!”
Woman;”Okay then!”

The rule by Your favourite guy November 21, 2019