Norfolk dumpling

1.(Eng.) A kind of boiled dumpling made in Norfolk.
References in classic literature ?
Why, it would be as flabby as a Norfolk dumpling. Ambitious people are the leaven which raises it into wholesome bread.
The little priest was so much the essence of those Eastern flats; he had a face as round and dull as a Norfolk dumpling; he had eyes as empty as the North Sea; he had several brown paper parcels, which he was quite incapable of collecting.
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