Noun 1. A man named Joseph who excels at whatever it is that he does.
Noun 2. Variation of "Broseph" ; a friend who is so good at what they do that they could be considered professional.
Adjective 3. Characterization of an action that is seen as very well done; a task done at a professional quality or level.
i.e. Man, you threw that football like a proseph.
i.e. This fish taco is so proseph.