fair-haired boy, Informal. a person, especially a young one, treated as a favorite or considered especially promising by a superior or the members of a group: He's the fair-haired boy of the literary set.
What does it mean to be fair haired?
: having light or blond hair.
What does fair haired boy mean?
fair-haired boy. A favorite, a person who is given special treatment. For example, Today the attorney general is the governor's fair-haired boy. This term alludes to the preference of blond (“fair”) hair over dark hair. [