peenmaid Share definition Flag similar to a mermaid, but with the tail of a giant penis. also note that the tip shoots out seamen for defense. "Yaarrrgggh Matey" The pirate screamed as the Peenmaid shot him in the eye with seamen. peenmaid by lethal laura January 19, 2010 0 0 Get merch Get the peenmaid mug. Buy Now — $32.95 See more merch