diddy (1)youdaoicibaDictYouDict[diddy 词源字典]
"A fool", Late 18th century: alteration of titty. More The informal word diddy meaning ‘small’ is probably a child's corruption of little.[diddy etymology, diddy origin, 英语词源]
diddy (2)youdaoicibaDictYouDict
"Little", Probably a child's corruption of little. More The informal word diddy meaning ‘small’ is probably a child's corruption of little.