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1. meaning obviously

2. Said when being confused or stupid.
1. Only girls have vagina's, duh!

2. Duh.... Boys don't have vagina's?
by The monkey's Uncle. June 21, 2008
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23
An expression that someone says when another person says something obvious or dumb.
Person 1: Hey look I can see myself in the mirror!
Person 2: duh.
by Krazy Boi December 25, 2018
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24
a word or phrase that describes the following: idiocity, question, exclamation, and that's friggin retarded, elly!!
ELLY: the paranhas are coming, the paranhas are coming!!!
SMARTICAL PPL: DUH! elly u r such an ugly and retarded bird!!
by angela stump May 06, 2006
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25
An exclamation used to make any statement true.
The earth is flat, DUH!
by CCC2 December 18, 2006
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