brown rosette Share definition Flag a brown rosette is the description of your anus hence it looks like a rosette (rose flower)....... go on love..... show us your brown rosette....... or i int going down on that brown rosette unless its been bleached! brown rosette by anus angus November 1, 2008 0 0 Get merch Get the brown rosette mug. Buy Now — $32.95 See more merch