A double chin, also known as submental fat, is a common condition that occurs when a layer of fat forms below your chin. A double chin is often associated with weight gain, but you don't have to be overweight to have one. Genetics or looser skin resulting from aging may also cause a double chin.If you have a double chin and want to get rid of it, there are several exercises you can do.So , Without Further Ado , Here Are The Top 5 Most Effective exrcises To Get Rid of A Double Chin :1. Straight j