Garfunkel, Oates, and Garfunkel and Oates by KaneMH

Question 10

On the IFC series “Garfunkel and Oates”, John Oates has a cameo as porn shop owner “Dirty D”. This episode, in which Garfunkel and Oates meet alternate versions of themselves played by Abby Elliot and Sugar Lyn Beard,is appropriately named after what internet ‘rule’?

Rule 34