Source : Webster's Revised Unabridged Dictionary (1913)

Raciness \Ra"ci*ness\, n.
   The quality of being racy; peculiar and piquant flavor.

         The general characteristics of his [Cobbett's] style
         were perspicuity, unequaled and inimitable; . . . a
         purity always simple, and raciness often elegant.
                                                  --London
                                                  Times.

Source : WordNet®

raciness
     n : behavior or language bordering on indelicacy [syn: {gaminess},
          {ribaldry}, {spiciness}]