diaper-dude Share definition Flag A grown man who enjoys masturbation while wearing a soiled diaper. My friend Logan finally came out and told everyone that he is a Diaper-dude, and that this is why he's still a virgin. diaper-dude by Diaper8 July 29, 2017 0 0 Get merch Get the diaper-dude mug. Buy Now — $32.95 See more merch