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

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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

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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

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meaning something good, or cool.
man joe you missed a big dumb ass party last night!
by biggie shorty March 02, 2006

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A stupid person
A situation where you have to chew on your hand to live.
A sad person.
Jack:"Your dumb, right"
Gilbert:"Yeah"
Jack:"Thats sad!!"
by Bill May 02, 2004

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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

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Jake Anderson, a stupid mexican kid.
Jake is so fucking dumb!
by William Shat January 05, 2008

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