Source : Webster's Revised Unabridged Dictionary (1913)

Touchy \Touch"y\, a. [For techy, tetchy.]
   Peevish; irritable; irascible; techy; apt to take fire.
   [Colloq.]

         It may be said of Dryden that he was at no time touchy
         about personal attacks.                  --Saintsbury.

Source : WordNet®

touchy
     adj 1: quick to take offense [syn: {huffy}, {thin-skinned}]
     2: irritable and looking for trouble; "too touchy to make
        judicious decisions" [syn: {feisty}]
     [also: {touchiest}, {touchier}]