1 year rule

The unwritten rule of dating the year below anything more is just out right noncey

1 year rule : Year bellow your good to go

Indian Rule

When you make an agreement, then later take it back.

Hey Ho-Chunk you can have this chunk of land, INDIAN RULE!

Rule 10

Rule 10 refers to 'Rule 10' in the Super Smash Bros. Ultimate Ireland server, stating
"Rule 10, No Violent or Self-Harm Speech.

We strictly prohibit any form of violent or self-harm speech directed towards others. This includes advocating violence, using hateful language, violent abbreviations, or making threats. Any such speech will result in immediate action. Let's foster a respectful and welcoming environment for all members."

As a means to avoid time-out, 'Rule 10' is used as a substitute to the word 'kill' in the phrases 'kill yourself' or 'i am going to kill myself'.

I'm going to Rule 10 myself if you lose to Pascal

Rule 34 of music

If it exists, there's a song about it. No exceptions. If something doesn't satisfy this rule, there is rule 35 of music, which states that:
If there isn't a song about it yet, one will be made. No exceptions.

Jim: Why the fuck is there a song about some guy cutting his dick off?
Patrick: Rule 34 of music.

three strike rule

When you take a dump three times before having to start your day at work. It is an automatic day off.

I called off work today and told them "I struck out". I broke the three strike rule.

Sheen Rule

Not smoking crack 12 hours before going to work.

Dude, you look high. Major violation of the "Sheen Rule".

The Ketchup Rule

You gotta lick all the ketchup

ketchup rule boy

The Ketchup rule means you must lick it all if you drop it