Owyagoin Share definition Flag Owyagoin: Aussie slang which means 'How are you doing?' (Must say in Australian accent) Eddie: "Owyagoin mate? It's a beaut day, innit?" Edward: "Im good mate, how are you? And yes, yes it is!" Owyagoin by Your better best friend August 15, 2011 Get the Owyagoin mug.