Dunder is a combination of the words dirty underwear.
"make sure to wash your dunders" "Dunderwear, clothes for the working man" "Dunderwear soft enoughf for a mans buttox, toughf enough to handle the swamp ass of a working man"
από Heyballookey2 22 Οκτώβριος 2008

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Top Definition
An alias for double underscore, "__". Specially useful in the Python computer language, in which names like "__init__" are common. Coined as a speech shorthand.
Eric: So the problem is initdata? (the method initdata() )
John: Nope, dunder init dunder is where things start to go wrong... (__init__)
από ajaksu 22 Μάιος 2006

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A person who is utterly useless and incoherent. The IQ of this person almost always matches, or is close to, that of an average person's shoe size.
Dunder was unable to click the cube because his bandage was in the way.
από DDunder 28 Ιούνιος 2007

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The dregs from a rum barrel.
"I got sloshed from drinking the dunder." Hince the phrase, "He's a dunderhead."
από Mark Dunder 4 Αύγουστος 2003

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Polite word for fart.
What that a dunder, Geoffery?
από Its Calum! 26 Μάιος 2008

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Another word for drunk, or just really intoxicated.
Damn, i'm gonna be so dunder after this beer bong.
από Chase 3 Αύγουστος 2003

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