The shell or husk, especially of grains (e.g. corn/maize) or nuts (e.g. walnuts).
A fraud; a scam.
A phony.
To remove the shuck from (walnuts, oysters, etc.).
Shall we shuck walnuts?
To remove (any outer covering).
I will shuck my clothes and dive naked into the pool.
To fool; to hoax.