(n) slang for nitrous oxide
let's all do some dumb!
pandoraによって 2005年04月19日(火)
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 urbandictionary.com
Karen C.によって 2005年07月06日(水)
Jake Anderson, a stupid mexican kid.
Jake is so fucking dumb!
William Shatによって 2008年01月05日(土)
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.
sgkittyによって 2005年02月03日(木)

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