noun: an induced case of idiocy caused by the witnessing or committing of an act, or display of, profound stupidity.

Ex: Watching Postal gave me a serious case of The Dumb.
by Sadistc Sweethart September 17, 2008
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Dumb is when people are basicly not smart or what you would say, "an idiot"
by Totally not dumb September 4, 2017
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George Walker Bush a.k.a George W. Bush - (born 6 July 1946) is the 43rd and current President of the United States, inaugurated on January 20, 2001 and re-inaugurated on January 20, 2005
"I know the human being and fish can coexist peacefully." George W. Bush

"I'm honored to shake the hand of a brave Iraqi citizen who had his hand cut off by Saddam Hussein." George W. Bush

One of the great things about books is sometimes there are some fantastic pictures." George W. Bush

God! He's so dumb!!!!!
by A Chan March 23, 2007
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one who pretends to be dumb to flirt.
carly: hey can u like you know help me with math? i have a d hahaha i'm dumb.
john: stop !@#$ dumbing around @#$@!!
by hkjhkjhd March 27, 2010
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the act of being dumb beyond reality, usually refering to a 15 year old girl by the name of mackenzie
mackenzie is dumbful
by chiyou June 20, 2008
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You, for not knowing what this simple word means, you pathetic piece of non-sticky duct tape.
That was very dumb of you.
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