flaming Share definition Flag To be wildly, flamboyantly homosexual. To be so fruity it's not funny. To be so gay it's scary. Person 1: So, do you reckon Tom is bi? Or is he just plain old gay? Person 2: He's so not bi. He's totally bloody flaming! flaming by Williamo September 26, 2005 0 0 Get merch Get the flaming mug. Buy Now — $32.95 See more merch