mutton flaps en · NOUN
Meanings
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(plural, plural-only) A fattening cut of meat in the South Pacific, from the rib area of a sheep.
"Mutton flaps are the discarded parts of the lamb that are not fit for consumption in New Zealand. They were able to dump this stuff on the Pacific countries."
2016 January 18, Katy Watson, Sarah Treanor, “How mutton flaps are killing Tonga”, in BBC News: