Spooner's dog -- pointer -- makes farewell (6-3)

I believe the answer is:

toodle-pip

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'farewell' is the definition.
(I know that farewell can be written as toodle-pip)

I cannot understand how the rest of the clue works.

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(Other definitions for toodle-pip that I've seen before include "Goodbye (dated)" , "Farewell remark - dipole top (anag)" , "Take care" , "Farewell (informal)" , "so long" .)

I've seen this clue in The Telegraph.

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