I recommend that this be called "Markley's Law."
That has to be some kind of variant of Godwin's Law: As an online discussion of gun owners' rights grows longer, the probability of an ad hominem attack involving penis size approaches 1.
AlanR and Hank Archer
July 9, 2010
Comments to Quote of the day--Stephen Markley by AlanR and Hank Archer.
[Therefore, let it be know throughout the entire Internet that henceforth when an anti-gun bigot attributes the exercise of the specific enumerated right to keep and bear arms to the inadequate size or envy of male genital that it be referred to as Markley's Law, as first articulated by AlanR and named by Hank Archer.
See also further discussion on this topic here.
I started to add it to the Urban Dictionary but they say, "We'll reject inside jokes and definitions naming non-celebrities". Someone else want to take a crack at getting it in Wikipedia?--Joe]