noun (n)

• extravagant exaggeration(noun.communication)

  Synonym:
  exaggeration
  

  source: wordnet30
• A figure of speech in which the expression is an evident exaggeration of the meaning intended to be conveyed, or by which things are represented as much greater or less, better or worse, than they really are; a statement exaggerated fancifully, through excitement, or for effect.(noun)

  source: webster1913