phr. dreck in, dreck out; garbage in, garbage out. (Computers. Acronym. See also dreck. If you get dreckout of a computer, it's because you put dreckin. See also GIGO.) : Look at this stuff that the printer put out. What is it? Oh, well. DIDO.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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