Like lobster cold? (5)

I believe the answer is:

nippy

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'cold?' is the definition.
('nippy' can be similar in meaning to 'cold')

I cannot understand how the remainder of the clue works.

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(Other definitions for nippy that I've seen before include "progressing rapidly" , "inclined to bite?" , "Slightly cold?" , "brisk" , "Cold - nimble" .)

I've seen this clue in The Daily Mail.

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