Definition of cheesy adjective from the Oxford Advanced Learner's Dictionary

     

    cheesy

     adjective
    adjective
    BrE BrE//ˈtʃiːzi//
     
    ; NAmE NAmE//ˈtʃiːzi//
     
    (cheesier, cheesiest)
     
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  1. 1(informal) not very good or original, and without style, in a way that is embarrassing but amusing a cheesy horror movie That’s the cheesiest chat-up line I’ve ever heard.
  2. 2(informal) too emotional or romantic, in a way that is embarrassing a cheesy love song a cheesy romance novel
  3. 3(of a smile) done in an exaggerated and probably not sincere way She had a cheesy grin on her face.
  4. 4smelling or tasting of cheese
See the Oxford Advanced American Dictionary entry: cheesy