Meaning of diddly

did•dly

Pronunciation: (did'lē), [key]
— pl. -dlies
  1. a thing of little or no value; naught: Your excuses aren't worth diddly to me.
  2. a flaw; malfunction.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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