The Collaborative International Dictionary of English v.0.48:

Overflourish \O`ver*flour"ish\, v. t.
   1. To make excessive display or flourish of. --Collier.
      [1913 Webster]

   2. To embellish with outward ornaments or flourishes; to
      varnish over. [Obs.] --Shak.
      [1913 Webster]