One who is a Bad Ass that can basically do anything he wants. He is usually loved by all and a ladies man. Also, a name for a friend, or to describe a friendship. Hoss is a compliment. Plural form Hosses.
Mihalik is such as Hoss. He destroyed his competition in track and picked up the hottest girl in school.
Matt and Sean are hosses. They're always tearing shit up together.