Presumably is never out of bounds in unofficial court (8)

I believe the answer is:

kangaroo

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'court' is the definition.
(kangaroo court is a kind of court)

I cannot understand how the remainder of the clue works.

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(Other definitions for kangaroo that I've seen before include "Would anorak go on the animal?" , "Unofficial court of law" , "Marsupial from down-under" , "Pouched mammal" , "Hopping marsupial" .)

I've seen this clue in the Irish Times (Crosaire) and The Irish Times.

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