DAU

from Jargon File (4.4.4, 14 Aug 2003)
DAU
 /dow/, n.

   [German FidoNet] German acronym for Dummster Anzunehmender User
   (stupidest imaginable user). From the engineering-slang GAU for
   Grosster Anzunehmender Unfall, worst assumable accident, esp. of a LNG
   tank farm plant or something with similarly disastrous consequences.
   In popular German, GAU is used only to refer to worst-case nuclear
   accidents such as a core meltdown. See {cretin}, {fool}, {loser} and
   {weasel}.
    
from The Free On-line Dictionary of Computing (8 July 2008)
DAU

   /dow/ [German Fidonet] D"ummster Anzunehmender User.  A German
   acronym for stupidest imaginable user.  From the
   engineering-slang GAU for Gr"osster Anzunehmender Unfall
   (worst foreseeable accident), especially of a LNG tank farm
   plant or something with similarly disastrous consequences.  In
   popular German, GAU is used only to refer to worst-case
   nuclear accidents such as a core meltdown.

   See {cretin}, {loser} and {weasel}.

   [{Jargon File}]

   (1994-12-06)
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
DAU
       Duemmster Anzunehmender User (slang, Usenet, IRC)
       
    

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