flamethrowage Share definition Flag To use a flamethrower to unleash fiery hell on something or someone, literally or figuratively. Can be used as a verb or a noun. I'm totally going to flamethrowage that douchebag. Flamethrowage: it's what's for dinner. flamethrowage by Tirsden August 17, 2008 0 0 Get merch Get the flamethrowage mug. Buy Now — $32.95 See more merch