Often called bat wings, how many of you have a tough time managing the folds of fat in your underarms as they seem to spill out of shape? Armpit fat, also called axillary fat, is separate from the rest of the breast tissue and resembles a little hump near the armpits. It can even be present in women with normal breast size and weight. Often this sagging fat is caused by heredity, weight increase, hormone imbalances, the buildup of lymph fluid in the body between the skin and muscle and…