g'daymatehowsitgoin Share definition Flag A whole convo in one word. Mostly used in Australia. basically its translated to... g'day mate how's it going? aussie bloke 1: g'daymatehowsitgoin? aussie bloke 2: yeahgoodmateu? british guy: yeah what? g'daymatehowsitgoin by _freddo_ May 28, 2006 0 0 Get merch Get the g'daymatehowsitgoin mug. Buy Now — $32.95 See more merch