The Collaborative International Dictionary of English v.0.48:

chucker-out \chucker-out\ n.
   a person whose duty is to throw troublemakers out of a bar or
   public meeting; a bouncer[5].

   Syn: bouncer.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

chucker-out
    n 1: a person whose duty is to throw troublemakers out of a bar
         or public meeting [syn: bouncer, chucker-out]