fur burger Share definition Flag occurs when you pick a booger out of your nose, and there are nose hairs stuck in the booger. Hence, a "fur burger" ow! i hate it when i pick my nose and i get a fur burger. it makes my eyes water. fur burger by Juan Epstein June 11, 2006 0 0 Get merch Get the fur burger mug. Buy Now — $32.95 See more merch