<P> Going commando, or free - balling for males and free - buffing for females, is the practice of not wearing underpants under clothes . </P> <P> Certain types of clothes, such as cycling shorts, some ordinary shorts such as Bermuda shorts, also, jogging pants and kilts, are designed to be worn or are traditionally worn without underwear . This also applies for most clothes worn as swimwear, sportswear or nightwear . </P>

Where does the saying going commando come from