scuumbadiel Share definition Flag Italian guido expression used as a directive to command very rapid movement or fast action Angelo yelled excitedly, "Scuumbadiel"! as his horse was moving to the lead on the far turn. scuumbadiel by Provo March 13, 2004 0 0 Get merch Get the scuumbadiel mug. Buy Now — $32.95 See more merch