A mug's a sturdily built type of cup often used for drinking hot beverages, such as coffee, tea, or hot chocolate. Mugs, by definition, have handles and often hold a larger amount of fluid than other types of cup. The standard mug holds approximately 12 fluid ounces of liquid, double a tea cup. In more formal settings a mug's usually not used for serving hot beverages, with a teacup or coffee cup being preferred. Shaving mugs can be used to assist in wet shaving. Many mugs are made of ceramic m… (More on Mug)