anyone who "thumbs downs" a definition of dumb saying "speechless or mute"
Tod is so dumb, he didn't know that dumb meant mute.
di shane gamer 14 gennaio 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".
di MeBobaFett 30 settembre 2005
(n) slang for nitrous oxide
let's all do some dumb!
di pandora 19 aprile 2005
you. (because you ACTUALLY had to look this up)
they laughed at him for an hour because he
told them that he had to look dumb up on
di Karen C. 06 luglio 2005
Jake Anderson, a stupid mexican kid.
Jake is so fucking dumb!
di William Shat 05 gennaio 2008
adj. More then likely you are DUMB because you had to waste a few brainwaves and time to look up the word. The word is often written dum because the person is too ignorant to be able to spell an easy word or they don't realize that it has a silent b like comb.
You are dumb for looking up dumb on urbandictionary. com instead of doing it secretly in a library.
di sgkitty 03 febbraio 2005

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