DAU

/dow/ , n. [German FidoNet] German acronym for Dmmster Anzunehmender User
(stupidest imaginable user). From the engineering-slang GAU for Grsster
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.