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__)
ajaksuによって 2006年05月22日(月)

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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"
Heyballookey2によって 2008年10月22日(水)

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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.
DDunderによって 2007年06月28日(木)

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The dregs from a rum barrel.
"I got sloshed from drinking the dunder." Hince the phrase, "He's a dunderhead."
Mark Dunderによって 2003年08月04日(月)

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Polite word for fart.
What that a dunder, Geoffery?
Its Calum!によって 2008年05月26日(月)

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Another word for drunk, or just really intoxicated.
Damn, i'm gonna be so dunder after this beer bong.
Chaseによって 2003年08月03日(日)

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