Source : Webster's Revised Unabridged Dictionary (1913)

Snobby \Snob"by\ (sn[o^]b"b[y^]), a.
   Snobbish. [R.] --E. B. Ramsay.

Source : WordNet®

snobby
     adj : befitting or characteristic of those who inclined to social
           exclusiveness and who rebuff the advances of people
           considered inferior [syn: {clannish}, {cliquish}, {clubby},
            {snobbish}]