If two friends of opposite gender are bored for over an hour, they must engage in sexual experimentation
Girl: God, there's nothing to do.
Guy: How long have we just been sitting here?
Girl: Over an hour.
Guy: Rule 11
by Johnny Postit November 15, 2008
Get the Rule 11 mug.
If one believes there is likely a mutual interest between themself and another individual, that other individual is either already in some form of a relationship with another individual or will soon be.
"I thought we were clicking, but then I saw her boyfriend."

"Rule 11, eh? Good luck next time."
by bugmore November 23, 2013
Get the Rule 11 mug.
Guy1: let’s go cliff jumping dude

Guy2: idk man that sounds scary

Guy2: rule 11, dude
by @UrDadsHouse April 13, 2022
Get the Rule 11 mug.
There is no rule 11
There is no rule 11
See rule 9
by dragonson04 December 7, 2012
Get the Rule 11 mug.
Rule 11 wasn't defined yet when it was first searched for.
by Rule Searcher January 6, 2009
Get the Rule 11 mug.
If it exists there is a slutty halloween costume of it
Woman: im going to be pooh beat for halloween what are you going to be?
Woman 2: slutty pooh bear, because everything has a slutty halloween costume its rule 11 didnt you know?
by Tinipenguin July 29, 2015
Get the Rule 11 mug.
Guy 1: Hey, I just got new copies of porn man. Wanna go watch it with me at my house?

Guy 2: Rule 11, man, rule 11.

Guy 1: I know.
by Rulemaler October 23, 2008
Get the Rule 11 mug.