Dummy fuckman Share definition Flag A person who is very ignorant and lacks respect for anyone. Also someone who is very easy. The dummy fuckman did not no the simple math problem and then went and hooked up with a total stranger. Dummy fuckman by BELREN09 August 21, 2009 0 0 Get merch Get the Dummy fuckman mug. Buy Now — $32.95 See more merch