Lash Hound Share definition Flag A person who can consume unbeliveable quantities of Alcohol at any time of day or night, and will constantly want to do this "Damn Liam, that Dan Mulvihill sure is a massive lash hound... OOOOOOOOW! Lash Hound by noneagain September 19, 2009 0 0 Get merch Get the Lash Hound mug. Buy Now — $32.95 See more merch