diddums
Concise Oxford English Dictionary © 2008 Oxford University Press:
diddums /ˈdɪdəmz/
▶exclamation Brit. informal used to express commiseration to a child.
– origin C19: from did 'em, i.e. ‘did they?’ (tease you, do that to you, etc.).
'diddums' also found in these Oxford entries:
