dickapotomus Share definition Flag 1. Used in lieu of colossal dick. 2. A person that is a real asshole. Man that guy that cut me off is a real dickapotomus.Hey Cody , stop being a dickapotomus. dickapotomus by Cblantooo April 17, 2017 0 0 Get merch Get the dickapotomus mug. Buy Now — $32.95 See more merch