Top definition
A rule stating that if someone is called evil, but has no horns, the person who named the person evil shall be punched in the face.
Guy 1: OMG you are so evil!

Guy 2: Rule 54 *punches*

Guy 1: Damn it....
by CalGoneCrazy May 07, 2009
Get the mug
Get a Rule 54 mug for your mother-in-law Jovana.
buy the domain for your foodie site