Bingo Wings

Just intrigued to see if this is just a British term for the flabby arms? I said to my trainer the other week that if you could spot fix, one thing I'd love to target would be my bingo wings! And I got a very blank stare from him followed by "What the hell are Bingo Wings?". I'm living in Canada now, originally from the UK, so I was wondering if it was a British term?

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