cornball       
adjective US uk/ˈkɔːn.bɔːl/ us/ˈkɔːrn.bɑːl/
 (笑话、电影、故事等)陈腐的,过时的,老掉牙的
A cornball joke, film, story, etc. has no new ideas and is not sincere, or is too often repeated and therefore not funny or interesting.
  the usual cornball romantic comedy 老掉牙的浪漫喜剧