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The more rabidly anti-gay and "Christian" a commenter considers himself, the higher the likelihood that he or she will resort to describing vulgar sexual acts supposedly performed by GLBT people in an attempt to vilify them. Usually affirmed when an actual GLBT person is grossed out by the rhetoric.

Named for Peter ("Porno Pete") LaBarbera, founder of Americans for Truth About Homosexuality, a "Christian" organization whose sole purpose is to oppose every measure that might lead to GLBT people being considered human beings. LaBarbera lends his name to this law specifically through his "hobby" of attending leather and BDSM conventions, camera in hand, for "research purposes", and also because he mentions corprophilia at every opportunity.
Wingnut: "Homosexuals have sexual intercourse with, lick, suck and eat human shit."

GLBT Person: "Ew, what the fuck? LaBarbera's Law, much?"
by Baldran August 24, 2010
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