Someone who is such a complete dumbass, that they should have a PhD in being retarded. Dumass is one letter short of Dumbass, which makes it funnier when they don't realize what you're talking about.

Dr. Dumass over there, pranked called her school from her home phone without using *67.

Dr. Dumass by Lee Baker November 7, 2006

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dumass

1.One who's level of intelligence is comparable to that of their own ass.

2.One who's actions suggest that they might be thinking with their own ass, though it, like their brain, lacks the ability to make intelligent decisions.

See also dumnass
dum ass
dumn ass

(Don't spend too much time on these alternatives, sperm-for-brains. They all mean the same thing.
Jesus. Dumass.

Maybe if you weren't such a dumass, people wouldn't kick you.

dumass by kyleisnotajew September 3, 2005

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Dumassify

To explain something obvious to someone. to put into layman's terms or to break it down for them to that they can understand it. To dumb-ass-ify it.

"You don't understand? Let me dumassify it for you..."

Dumassify by Lucky Luddy December 27, 2011

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