Describing the feeling of being pouty or upset. Stems from the sound one makes when pouting one's lips.
Can be used as an adjective or verb.
I failed my test today; it makes me so duu.

Duu! I can't watch the movie with you guys tonight!
by chenxjen July 27, 2010
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An individual who is confused and tries to fit in by attempting to do too much when unnecessary,
Ghost Ryder - Yo Tygrr this DJ sucks!!!
Tygrr - Shunnnn this DJ is a DUU DUU CAT!!!
by King Tygrr April 26, 2011
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Abbr. of "sup dude" only commonly used by the very coolest of people.
Dude 1: Sup dude?
Dude 2: Su du?
Dude 1: Suu duu?
Dude 2: Suuu duuuu??
Dude 1: Starcraft?
by nighteeeeey June 30, 2019
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Somebody who is unloyal to their friends and goes out of their way to stab someone in the back.. refuses to "Roll Deep" with their crew.
Carmine is a Fake duu.
by True Duu July 14, 2006
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Independent, good gangsta kind of character, often associated with unorthodox priests in the middle ages, that had wild parties and forgave sins without money involved. There was a bigger group, called the duusians, which Martin Luther was a part of in his younger days. They belived in the all forgiving god, and were the first to rebel against the catholic rule. They did so in the shadows, of european churches especially in scandinavia.
Which later led into a family names in these countries
Now its mostly associated with a certain doctor
What a duus,
Imma have that duus’ back
My duus!
How do you duus?
Duus with the birds of the sky
Sup duus!?
Duus it up
Wanna do the Duus ?
Duus not do dat
by DuusdaOG November 22, 2021
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