Gruttocks Share definition Flag An expression of disbelief or disregard used by elderly farmers that don’t get out much Official - "I'm sorry Mr Giles but the road will be crossing your land" Farmer Giles - "Gruttocks!" Gruttocks by Elfingholm December 18, 2008 0 0 Get merch Get the Gruttocks mug. Buy Now — $32.95 See more merch