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2.
Way of expressing happiness with something.
Mother: Here's a tenner. Go get yourself a CO!
Offspring: Ding-dang-doo
by Tony Anthony April 18, 2004
 
1.
As coined by the characters Max and Paddy in 'Phoenix Nights'. An exclamation of satisfaction or after a point well made.
'Did ye empty yer bags then?'
'Oh aye, she were right gaggin' forrit. Ding dang doo.'
by TopDecco May 11, 2005