Dunwine Share definition Flag A insult for a white male in the age range of 25 to 45. It is essentially calling said male an idiot. It had minimal usage in the 1980s and 1990s. Who is that dunwine over there at the bar? Dunwine by blargle December 30, 2013 0 0 Get merch Get the Dunwine mug. Buy Now — $32.95 See more merch