Boring and unoriginal.
The duct tape and wire were a pretty corny solution.
Hackneyed or excessively sentimental.
He sent a bouquet of twelve red roses and a card: "Roses are red, Violets are blue, Sugar is sweet, And so are you." How corny is that!
Producing corn or grain; furnished with grains of corn.
Containing corn; tasting well of malt.
Tipsy; drunk
Strong, stiff, or hard, like a horn; resembling horn.