rule 1, forum based terminology used to ask for a picture of any person, usually female being described or talked about in a subject, origin: football365
following on from above terminology it is also the name used for a number of football teams originating from the aforementioned website
person 1 "did you see kelly brooks cameltoe on that programme last night?"
reply "RULE 1"
You do not talk about fight club.
Rule 1. You do not talk about fight club.
Do not talk about /b/.
Guy- Hey guys wanna know about /b/?
*gets kicked in the nuts*
Other guy- You just broke Rule 1.
Girl- Wanna know about /b/?
*gets punched in the tits*
Some other person- You just broke Rule 1.
The Doctor Lies
River Song: Who told you he was dead?
Amy Pond: He did!
River Song: Rule 1: The Doctor lies.
"Do not act incautiously when confronting little bald wrinkly smiling men."
A line from Terry Pratchet's novel, the Thief of Time, spoken by Lu Tze the sweeper.
"Always remember rule 1."
People are stupid.
Player 1: I spent ten minutes explaining it all, and he didn't take in a single bloody thing.
Person 2: Rule 1.
Don't be a bitch
Friend 1: Dude I cant drink anymore.
Friend 2: Rule 1