A gamer who insists on arguing rule interpretations to the detriment of the game. Usually recognised by the two hundred white mice carried in their backpack. (See Car Wars Player).

n. A gamer who interprets rules in an overly literal sense or in such a way to significantly reduce the thematic or logical aspects of a game.

( link / ) player who knows the rules extremely well, and prefers to stick to them very closesly. Often, rules lawyers use their extensive knowledge of the rules to exploit loopholes that favor their PC.

A gamer who frequently argues about rules calls. Also known as the thorn in the GM's side.

A rules lawyer is a player in a game who for whatever reason attempts to use an oftentimes encyclopedic knowledge of the rules of a game to gain unfair advantage, to annoy or to ingratiate himself with other players.