Meaning of bottom feeder

bot'tom feed"er

Pronunciation: [key]
  1. See
  2. a person who functions or seeks to gain at the lowest level of an activity: bottom feeders who buy undervalued stocks; social bottom feeders hanging out in seedy bars.
  3. a person who appeals to base instincts: a bottom feeder who directs cheap horror films; Gossip columnists are the bottom feeders of journalism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.