rules lawyer

A role-playing game enthusiast who makes it his life's work to memorize every obscure rule in the game. Usually owns every book and supplement for the game in question. Often uses obscure rules to show up other gamers.

"Mike knows like every tiny little thing about that game...total rules lawyer."

rules lawyer by Steve H. March 18, 2005

Layer Cake Rule 

Refers to the movie of the same name where one character tells another "if you ever kill someone, never tell anyone else about it.' If you do anything wrong keep it to yourself.

"Bob sent me a email about how he stole a laptop from work. Way to violate the Layer Cake Rule"

"I really wanted to tell the guys how I scored with that waitress on my business trip, but I thought of the Layer Cake Rule, and how it could get back to my wife."

Layer Cake Rule by SnowPatrol July 30, 2010