We found 8 dictionaries that define the word diddly-shit:

General (6 matching dictionaries)

1. diddly-shit: Vocabulary.com
2. diddly-shit: Dictionary.com
3. diddly-shit: Rhymezone
4. diddly-shit: FreeDictionary.org
5. diddly-shit: Mnemonic Dictionary
6. diddly-shit: TheFreeDictionary.com

Computing (1 matching dictionary)

7. diddly-shit: Encyclopedia

Slang (1 matching dictionary)

8. diddly-shit, diddly-shit: Green’s Dictionary of Slang

Definitions from WordNet (diddly-shit) ▸ noun:  a small worthless amount ▸ Words similar to diddly-shit ▸ Usage examples for diddly-shit ▸ Idioms related to diddly-shit ▸ Wikipedia articles (New!) ▸ Popular adjectives describing diddly-shit ▸ Words that often appear near diddly-shit ▸ Rhymes of diddly-shit ▸ Invented words related to diddly-shit