Bingo wings is the curiously unkind term for the flabby areas of skin that hang under the upper arms. While men can develop bingo wings, they are more prevalent in women – and the condition is very common, too. They are produced by a combination of fatty tissue, low muscle mass, and sagging skin, and they can make a person self-conscious about how they look and what they wear. Family genetics can also play a part. That doesn’t sound fair, of course, but while exercises may help keep bingo wings at bay, there are treatments that will help tone up your arms and give you back your confidence.