(in sheep) a matted mass of wool and dung 💩. (In people) Having an unkempt appearance.
The ENglish word, whilst originating in the Kentish dialect of England, is now mostly to be found in Australia and New Zealand. The etymology (as with all etymologies) is interesting, coming through Middle Dutch dag, dagge through the Kentish Middle ENglish daggethrough the Middle English dagge, daggle-lock.
Its use in Australian slang is drawn from this origin, and has to do with a person's appearance. Frequently used in a derogatory manner, it can also mean that a person has their own sense of style. Presumably the true meaning is made clear by context, but you'd really have to ask an Aussie or Kiwi for that.
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