spearo🔊nounEtymology From spear + -o.1Australia, Slang A spearfisher.Darwin spearo Mitch with a haul off the wrecks - including a 15khg mackerel.2023 May 19, “Tinny Podcast #770: Spearing 15kg fish in two metre visibility. Shoal, bong and bluewater check-in as temps go south.”, in ABC Darwin: