A husk, pod, or shell, as of a pea, hickory nut, or ear of corn. The shell of an oyster or clam. Informal Something worthless. Often used in the plural: an issue that didn't amount to shucks. To remove the husk or shell from. Informal To cast off: shucked their coats and cooled off; a city trying to shuck a sooty image. Used to express mild disappointment, disgust, or annoyance.