Source : Webster's Revised Unabridged Dictionary (1913)

Roisterer \Roist"er*er\, n.
   A blustering, turbulent fellow.

         If two roisterers met, they cocked their hats in each
         other faces.                             --Macaulay.

Source : WordNet®

roisterer
     n : an especially noisy and unrestrained merrymaker