Big ol' mouth

I think it could be either:

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maw

(Other definitions for maw that I've seen before include "gulf" , "Mouth of a voracious animal - or an American mum?" , "Gaping mouth of voracious animal" , "Mouth of a vicious animal" , "Jaws or mouth of a voracious animal" .)

I've seen this clue in The New York Times.

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