Hamdnosys Share definition Flag Hamdnosys is a very rare disease, it is when you are fat, ugly, smelly, and annoying at the same exact time. Often used as a diss. Eww, look at that Hamdnosys, he must have the ultimate rare kind. Hamdnosys by Addrinaa August 9, 2012 0 0 Get merch Get the Hamdnosys mug. Buy Now — $32.95 See more merch