Rectal Gnome Share definition Flag Derogatory term for someone who sucks or frequents shitty establishments...such as a Mortification show, or someone's rectum.. "Nobody likes you....you're worthless....damn Rectal Gnome" also see Bung Hobgoblin Rectal Gnome by Scurvy Bird December 11, 2003 0 0 Get merch Get the Rectal Gnome mug. Buy Now — $32.95 See more merch