50
an amaizment of a situation, a way to influince on what happened, "can't believe it"
"DUMB ninj, the show was bad ass."
"DUMB guess wut happened"
by MOKtheNINJA September 19, 2003
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51
You, for not knowing what "dumb" means.
You: What does dumb mean?

Me: You're so dumb!
by $20 Guy June 10, 2009
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52
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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53
You are dumb for looking up "dumb" in the dictionary
via giphy
by Urban Dictionary #666 January 01, 2017
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54
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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55
Lack of intelect. Duh!
Person 1:Your dumb.

Person 2:I am not stupid!
by Who am i?555 December 04, 2010
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56
Deep
Underground
Military
Base

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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