-A Dedar, Is someone who says 'Dis' and 'Dat' instead of this and that. Most commonly used to describe Chavs or people that aren't speaking proper English because their trying to talk in a Jamaican accent Even though they do not originate from Jamaica and cannot speak Patois.
-Another way of describing a 'Jafake-an' accent

It is typically an offensive word, (But it is very light hearted).

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