mainkybob Share definition Flag A penis that has suffered permanent scarring due to a dry titty fuck. "I only have sex in the dark now; I've had a mainkybob since a rough night in the winter of 2015." mainkybob by buccosfan27 July 29, 2021 0 0 Get merch Get the mainkybob mug. Buy Now — $32.95 See more merch