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1 definition by Paul@ARFCOM

 
1.
DU
Code for the Democratic Underground web site. Used on other web sites that don't want to be found by DU residents searching for people talking about the DU. Sometimes used as DUh.
"Man those whacked out liberals over at DU banned me on my second posting challenging them to actually think about a conservative point of view"
by Paul@ARFCOM October 11, 2005