an expression which seems sympathetic but which really means the opposite
"I hurt my finger." "Ah diddums!"
(A) "Our children want to play in the mud." "Diddums!"
(B) They have decided to take part in the marathon in their holidays." "Oh diddums!"
(C) "The neighbors on the third floor are at it again." "Ah diddums!"
How sad, how unfortunate, poor you. Used in a mocking way
You: My cat cratched me,
Friend: Awww diddums.
A sarcastic remark for when something doesn't go someone's way. Generally following the word Aww.
"I can't buy any Chocolate"
A sexual act wherein one partner deposits fecal matter on the other persons chest. See Cleveland steamer
That chick was really freaky and wanted me to diddums after blowing me.