Tunatosis Share definition Flag A smelly vagina. When a females vageeeen smells like the fishermans warf or chicken of the sea. OMFG what is that smell?!? That chick totally has tunatosis!!! Tunatosis by Jashands2804 February 5, 2010 0 0 Get merch Get the Tunatosis mug. Buy Now — $32.95 See more merch