Meaning of counterword

count•er•word

Pronunciation: (koun'tur-wûrd"), [key]
— n.
  1. a word, often of short-lived popularity, widely used as an almost meaningless, automatic response.
  2. a word that has come to be used with a meaning much less specific than that which it had originally, as swell, awful, or terrific.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.