A fellow, a man; especially an ordinary man, a man on the street.
An exemplar of a certain masculine, independent male archetype.
An anglophone (English-speaking) man.
A man who behaves in a particularly laddish or overtly heterosexual manner.
(A lower deck term for) the captain or executive officer of a warship, especially one regarded as tough on discipline and punishment.
A fellow, particularly a male acquaintance, from one's home town.