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English definition of “diddums!”

diddums!

exclamation uk   /ˈdɪd.əmz/ UK humorous us  
something you say to show that you feel no sympathy for someone who is behaving like a child: He called you a bad name, did he? Ah, diddums!InterjectionsSounds used as interjections
(Definition of diddums! from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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