Cheesy is a great informal way to talk about shoddy or slightly unpleasant things. It comes from late 1800's United States university student slang, which also included the term cheese, which meant "ignorant, stupid person." Definitions of cheesy. adjective. of very poor quality; flimsy.
俗氣的
Urban dictionary:
Something that is unintentionally kitschy, tacky, or of poor quality, but these flaws go unnoticed by the admirers of said thing.
Cheesy pick-up lines
有點油 (有點被騷擾的感覺)
Corny 老套的
Tacky 俗氣
Cheesy, Corny, Tacky: 10 Silly Slang Words and Phrases That Are Common in English