To appear busy but in reality not actually doing anything. To spend time attending to tasks do do not actually require attention.
"Stephen has been niddling around all morning and has not got any work done. He is a right niddler."
by Cavanlynchy October 19, 2011
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Used to describe something really little
Look at that Niddle widdle doggy!

Is your niddle widdle finger still hurting?
by Xaveria February 9, 2010
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(Verb) Small, but large. Cold but yet, so warm. Mouth action but so much more. An action only Lauren can perform, a deadly action that is asking for me.
by lauren wiener June 28, 2011
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Details of minor size or scope often bothersome to some degree in aggregate.
I fixed some niddling issues with the UI this morning.
by CrashMonster November 14, 2011
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To not be able to type withotu(sp?) typographical errors.
Harry handed Frank some pills because his case of the niddles was out of control!
by flonks June 4, 2007
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