Crumblie Share definition Flag An elderly, decrepit and usually wrinkly old person whose physical health is crumbling, and often has crumbs of food on their clothing The crumblie continued driving at a snail's pace in the hope of eventually reaching the OAP home Crumblie by titihood September 22, 2005 0 0 Get merch Get the Crumblie mug. Buy Now — $32.95 See more merch