cheesy

Concise Oxford English Dictionary © 2008 Oxford University Press:
cheesy/ˈtʃiːzi/

▶adjective (cheesier, cheesiest)

• 1 like cheese in taste, smell, or consistency.

• 2 informal cheap and of low quality.

  ■ hackneyed and trite.

  ■ (of a smile) exaggerated and insincere.

– derivatives
cheesily adverb,
cheesiness noun.