spouter

from WordNet (r) 3.0 (2006)

spouter
    n 1: an obnoxious and foolish and loquacious talker [syn:
         {chatterer}, {babbler}, {prater}, {chatterbox}, {magpie},
         {spouter}]
    2: an oil well that is spouting
    3: a spouting whale

from The Collaborative International Dictionary of English v.0.48

Spouter \Spout"er\ (-[~e]r), n.
   One who, or that which, spouts.
   [1913 Webster]