Rusty dildo Share definition Flag Is a dirty dildo with shit on it or a dildo that is only used only for anal purposes. "Hey can I borrow one of your dildos?""Sure. But don't grab that one. It's my rusty dildo." Rusty dildo by Robyn Souls December 14, 2020 0 0 Get merch Get the Rusty dildo mug. Buy Now — $32.95 See more merch