dick merchant Share definition Flag A peddler of penis. One who handles, touches, tastes, and is overall very knowledgeable about penis and penis lore. Daniel: "Dude, I heard that David has a small penis."SoS: "Don't be a dick merchant, Daniel." dick merchant by SoAS February 2, 2014 0 0 Get merch Get the dick merchant mug. Buy Now — $32.95 See more merch