Doesn't like being snapped at? (6-3)

I believe the answer is:

camera-shy

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'snapped at?' is the definition.
The answer and definition are different parts of speech. However, past participle verbs and adjectives can sometimes define each other.

I don't understand how the rest of the clue works.

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(Other definitions for camera-shy that I've seen before include "Reluctant to be photographed" , "Chaser may be apprehensive of having photo taken - bashful?" , "Afraid of the lens" , "Unwilling to be photographed" .)

I've seen this clue in The Globe and Mail.

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