Crossword Genius

Flaps of skin wobbling in big gowns? (5,5)

Ross

I believe the answer is:

bingo wings

'flaps of skin' is the definition.
(informal term for arm fat)

'wobbling in big gowns?' is the wordplay.
'wobbling' indicates anagramming the letters.
'in'+'big'+'gowns'='inbiggowns'
'inbiggowns' with letters rearranged gives 'BINGO WINGS'.

I've seen this clue in The Guardian.
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