Term used on the misc for doing something well. Stands for GOOD JOB DAVE MAN, not good job der man or good job dan man. Only morons would think it has any other definition.
We on tv?
by lightweight99 July 16, 2009
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Good job dan man or Good job der man. Originated from the bodybuilding misc section where people use the term incessantly.
<Flapjacks> I finally lost 100lbs and no longer have man breasts! <Backthen> gjdm!
by pogue25 May 9, 2009
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