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To dawdle, most commonly followed by the word 'around'.
"Quit diddle-assing around and get to work"
"I was stuck behind this peckerhead that was diddle-assing around"
"Joe would get a lot more done if he didn't diddle-ass around all day"
by big chopper July 31, 2003
4 0

A whole new way of looking at things.
Man...diddle-ass has a whole new meaning.
by i <3 the scottish messiah August 03, 2004
2 11