A combination of the words deece (a word which indicates appreciation) and D6 (which is an affluent Dublin postcode).

Mainly used by people from D6 as an attempt to closer associate themselves with the most affluent postcode in Dublin, D4, where the word deece is in more prominent use.
Jack: Wait didn't you go to Zaga?
Donnacha: Yeah
Jack: Isn't that like in the ghetto?
Donnacha: No, it's in Deece6.
by An Cosantóir April 3, 2020
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