Source : Webster's Revised Unabridged Dictionary (1913)

Buffoonery \Buf*foon"er*y\, n.; pl. {Buffooneries}. [F.
   bouffonnerie.]
   The arts and practices of a buffoon, as low jests, ridiculous
   pranks, vulgar tricks and postures.

         Nor that it will ever constitute a wit to conclude a
         tart piece of buffoonery with a ``What makes you
         blush?''                                 --Spectator.

Source : WordNet®

buffoonery
     n : acting like a clown or buffoon [syn: {clowning}, {frivolity},
          {harlequinade}, {prank}]