Ninja Cholera Share definition Flag In Oregon Trail II, this term is used when someone in your wagon party dies inexplicably from cholera. Jebediah has died of ninja cholera. How the hell?! Ninja Cholera by A Dysentery Germ September 24, 2016 0 0 Get merch Get the Ninja Cholera mug. Buy Now — $32.95 See more merch