Source : Webster's Revised Unabridged Dictionary (1913)

Bouncer \Boun"cer\, n.
   1. One who bounces; a large, heavy person who makes much
      noise in moving.

   2. A boaster; a bully. [Collog.] --Johnson.

   3. A bold lie; also, a liar. [Collog.] --Marryat.

   4. Something big; a good stout example of the kind.

            The stone must be a bouncer.          --De Quincey.

Source : WordNet®

bouncer
     n : a person whose duty is to throw troublemakers out of a bar
         or public meeting [syn: {chucker-out}]