Gnomechaun Share definition Flag A cross between a gnome and a leprechaun. Often has red hair, choppy dialect, and hot sisters. Chop is such a gnomechaun. Wow, you are such a gnomechaun. Gnomechaun by P Dub September 16, 2004 0 0 Get merch Get the Gnomechaun mug. Buy Now — $32.95 See more merch