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Duder is a word of many possibilites. It can be used as a replacement for dude. It can also be used to mean someone is more dude-like than someone else (as in dude, duder, dudest.) It has also been known to be used to describe objects for which the name has been temporarily forgotten, or otherwise unknown to the user of the word. Still yet another usage is a verb which means the act of being a dude or doing dudely things.
Hey duder, come over to my house.

Steve is duder than I am, but surely not the dudest guy in the room.

Beth need help to figure out how to opperate this new duder she got.

I think I'm going to go put on my sunglasses and duder around town.
by cool4dude May 01, 2005
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Duder: A friend or buddy; One who you are fond of; a crony

syn: friend, buddy, pal, homie, crony, nigga, dawg.
ant: enemy, foe, opponent, opposition

you: "hey whats up joe?"
Joe: "whats up Duder?"
by locallurker June 25, 2008
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Synonymous to "duder", which is basically synonymous to "dude". It's not plural, it's singular. It's often used in a sarcastic mocking sense.
"Does anyone here have the new White Stripes album?"
"ur ratio is only .4 dont request fag"
"Yeah thanks duders."
by Pam Jam May 25, 2005
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Wall street professional type or financial restructuring attorney whose laid back personality and zen-like patrick swayze in point break demeanor is in stark contrast to the gordon geckos around him. A "fish out of water" often with a bunblefuck origin (e.g. Kansas).
Can you believe that duder sang "why don't we get drunk and screw" at a partner's house.
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n. 30-something guy, young professional, wearing diagonally/vertically striped button-down (slightly wrinkled), looking to score beyond his station with aims at 20-something girls. Hair product content=high, intellectual capacity=low.
With hair that is perfectly styled but looks slightly mussed and jeans that appear old and rumpled, but are actually brand new and over-priced, the duder walked into the bar that he had read was uberhip hoping to score.
by librarywoman November 26, 2006
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