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A derogatory Colloquialism from Sydney's Northern beaches.

meaning: A person who must right wrongs.
e.g. 1:
You light up a cigarette at the beach and someone demands
you put it out.
e.g. 2:
A person who picks up a piece of litter that you have just dropped and places it in a bin.

Use: "What a Justice friend"
by dave January 19, 2005