Corny

1. Boring and unoriginal.
2. Hackneyed or excessively sentimental.
3. (obsolete) Producing corn or grain; furnished with grains of corn.
4. Containing corn; tasting well of malt.
5. (obsolete, Britain, slang) tipsy; drunk

(hackneyed or excessively sentimental): kitsch, kitschy, cheesy, tacky, campy, schlocky, schmaltzy

(drunk): drunkish, squiffy; see Thesaurus:drunk