Lacking intelligence; stupid; having a low mental capacity
Chris: Yeah but you can tell she's dumb as... snot..
Brian: Mayonaise, we'll go with mayonaise.
Chris: Yeah.. mayonaise.
by Dan September 15, 2004
The act of misunderstanding something and completely doing something else. Being stupid; below the norm.
Amethys, stop being so dumb and start paying attention.
by WonderingWhyEverythingEver January 08, 2010
Another word for stupid. May apply to those with a mental condition or a low IQ and a disease such as asperger's.
I was mistaken for being a low IQ cretin as a child but I merely had Asperger's, also known as " Ass Pie ", I not dumb.
by Michael Todd Rehmeyer.... October 30, 2008
meaning something good, or cool.
man joe you missed a big dumb ass party last night!
by biggie shorty March 02, 2006
A stupid person
A situation where you have to chew on your hand to live.
A sad person.
Jack:"Your dumb, right"
Jack:"Thats sad!!"
by Bill May 02, 2004
anyone who "thumbs downs" a definition of dumb saying "speechless or mute"
Tod is so dumb, he didn't know that dumb meant mute.
by shane gamer January 14, 2007

This is where the black budgeted military contains such aliens as the "grays" and the "dracos".
"The government will never admit that D.U.M.B. houses those cattle-mutilating, human-abducting gray aliens".
by MeBobaFett September 30, 2005

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