Sort of dog the Aussies could call me (3)

I believe the answer is:

pom

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'sort of dog' is the definition.
'pom' can be an answer for 'dog' (I've seen this before). I'm not certain of the 'sort of' bit.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for pom that I've seen before include "Shortened name for a breed of dog" , "Disparaging term for English immigrants to the Antipodes" , "Englishman in Australia" , "Australian slang for British migrant" , "expat Englishman" .)

I've seen this clue in the Evening Standard.

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