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1.
It means someone who is ABSOLUTELY dumb. Dumb person of the 1st order. Someone who is so dumb that they make a donkey look smart.
When someone has just done something absolutely stupid or said something absolutely dumb, you can say, "Hey tony, you are the most duh dumb person i have ever met."
by Gia Khanna June 22, 2009
5 3

Words related to Duh Dumb

brain challenged dumber dumbo dumbstruck stupid