I hadn't heard of them, but I've just seen a reference to 'bingo wings' on another thread. (Yeah, thanks for that, as if I didn't have enough body faults!)
But when I googled it, I found this: www.dailymail.co.uk/femail/article-2158271/The-types-bingo-wing--banish-summer.html
Six types??? And if Denise Welch has problem arms, what are the rest of us supposed to look like?