Flaming Buckwheat Share definition Flag An incredably redneck term for a flagrent homosexual. See Buckwheat for better clarification. "Dude you are such a flaming buckwheat." "I know dude, I know." Flaming Buckwheat by Duo Maxwell Coffeehouse May 1, 2007 0 0 Get merch Get the Flaming Buckwheat mug. Buy Now — $32.95 See more merch