Chuck a spacca Share definition Flag To act like a retard. Flailing arms, spitting, snorting, dribbling, etc. (Australian slang) Have a crack at Davo there, he's laughing so hard he's about to chuck a spacca. Chuck a spacca by Dj Spud March 28, 2019 0 0 Get merch Get the Chuck a spacca mug. Buy Now — $32.95 See more merch