Schmucky McSchmuck Share definition Flag a dumbass cracka who acts all entitled and shit. Schmucky McSchmuck walked in 10 minutes after the reception was over and demanded the half eaten cheese rind. Schmucky McSchmuck by heart ass December 3, 2004 0 0 Get merch Get the Schmucky McSchmuck mug. Buy Now — $32.95 See more merch