nan flap

plural nan flaps

1. slangSynonym of bingo wings.

   She had once been, it was said, an attractive woman. Now her short sleeves showed off her bingo wings (or nan flaps, if you prefer), and her eyes were lined with resignation and contempt.

   2006, Anthony McGowan, Henry Tumour, London: Definitions, published 2007, page 276

   1 more example

   To schoolchildren, meanwhile, they are forever "nan flaps" or "dinner-lady arms", or indeed the closely related "tuckshop arms", in honour of the hefty upper portions of the lady who weighs out the cola cubes and hands out the Curlywurlys.

   [2004 May 24, Laura Barton, “Shortcuts: Mind your language”, in Alan Rusbridger, editor, The Guardian, London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 13 Sep 2014

   Synonyms: bingo wings