noun, plural diddlies for 2. Slang.
a thing of little or no value; naught: Your excuses aren't worth diddly to me.
a flaw; malfunction.

perhaps euphemistic shortening of diddlyshit

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To diddly
Example sentences
It's because the university tests that have shown diddly-squat.
The breakthroughs get a lot of attention, but attention means diddly-squat in the bigger picture.
D-Wave has demonstrated diddly squat that could not be simulated by a
  conventional computer.
Apple had the desktops covered, all right, but it didn't have diddly for
  anything more powerful.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature