Source : Webster's Revised Unabridged Dictionary (1913)

Hoity-toity \Hoi"ty-toi`ty\, a. [From {Hoit}.]
   Thoughtless; giddy; flighty; also, haughty; patronizing; as,
   to be in hoity-toity spirits, or to assume hoity-toity airs;
   used also as an exclamation, denoting surprise or
   disapprobation, with some degree of contempt.

         Hoity-toity! What have I to do with dreams? --Congreve.

Source : WordNet®

hoity-toity
     adj : affectedly genteel [syn: {grandiose}, {hifalutin}, {highfalutin},
            {highfaluting}, {la-di-da}]