corny adjective definition in Describing a story topic from the Oxford Advanced Learner's Dictionary

corny

 adjective: Describing a story topic
not original; used too often to be interesting or to sound sincere a corny joke/song I know it sounds corny, but it really was love at first sight! Opera’s blend of corny emotion with glamour and spectacle appeals to advertisers. You sound like someone out of a corny film!