Source : Webster's Revised Unabridged Dictionary (1913)

Nob \Nob\, n. [Abbrev. fr. noble.]
   A person in a superior position in life; a nobleman. [Slang]

Nob \Nob\, n. [Cf. {Knob}.]
   The head. [Low]

Source : WordNet®

nob
     n : an elegantly dressed man (often with affected manners) [syn:
          {toff}]