rat fink Hear it!

rat fink definition

rat fink

  1. a person who is obnoxious or contemptible
  2. an informer or traitor

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.