Source : Webster's Revised Unabridged Dictionary (1913)

Lampoon \Lam*poon"\, v. t. [imp. & p. p. {Lampooned}; p. pr. &
   vb. n. {Lampooning}.]
   To subject to abusive ridicule expressed in writing; to make
   the subject of a lampoon.

         Ribald poets had lampooned him.          --Macaulay.

   Syn: To libel; defame; satirize; lash.