Definition of diddly-squat in English:

diddly-squat

Line breaks: diddly-squat
Pronunciation: /ˈdɪdlɪˌskwɒt
 
/
(also doodly-squat)

pronoun

[usually with negative] informal
Anything: Hiram didn’t care diddly-squat about what Darrel thought
More example sentences
  • Voting for these Bozos ain't gonna change diddly-squat - it's all more of the same.
  • In respect of getting rid of the private prison in Auckland there has been absolutely none - diddly-squat.
  • These six people want to be the next Jamie Oliver or Nigella Lawson, even if some of them don't know doodly about cooking (there was a woman on the other night who claimed to know loads about cooking, but thought spinach was basil).

Origin

1960s: probably from US slang doodle 'excrement' + squat in the sense 'defecate'.

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