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 9, 2010
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A group of younger teenagers, sometimes acting ridiculously and often blocking an area and impeding pedestrian traffic.
Used similarly to a 'gaggle' of geese, or a 'dozen' eggs.
Hey man, I'm sorry I'm late, I was held up by a dumb of 15 year olds.
by Cap'n Kirk December 1, 2008
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Simple-minded and lacking intelligence.

e.g. Daniel "Danny" Rand
"I am the immortal Iron Fist!" - Daniel "dumb" Rand
by J4yLow August 20, 2017
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That feeling you feel when you don’t feel smart, when somebody is so stupid that you are at a loss for words and you want to chop your head off with your mother’s heirloom kitchen knife.
Karina is so dumb
by Undesirable Dave April 22, 2020
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a common term used when someone is being stupid or idiotic... or just dumb, made into a noun. (c)amanda ryyla
by amanda December 29, 2005
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Certain people who portray a level of retardedness vastly greater than the general populous.
"Hey SSgt! YOU'RE A DUMB DUMB!" (Candido)
by The Great Khaliba December 23, 2008
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A common term for someone acting in a stupid manner.
"YuB is being a dumb dumb"
by RobombRobot June 18, 2019
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