noun (n)

• triteness or triviality of style(noun.communication)

  source: wordnet30
• insincere pathos(noun.feeling)

  Synonym:
  mawkishness
  

  source: wordnet30
• a change from a serious subject to a disappointing one(noun.communication)

  Synonym:
  anticlimax
  

  source: wordnet30
• A ludicrous descent from the elevated to the low, in writing or speech; anticlimax.(noun)

  source: webster1913