Definition of stiffed:
(adj) :
(of an object) Rigid; hard to bend; inflexible.
(adj) :
(figurative, of policies and rules and their application and enforcement) Inflexible; rigid.
(adj) :
(of a person) Formal in behavior; unrelaxed.
(adj) :
(colloquial) Harsh, severe.
(adj) :
(of muscles or parts of the body) Painful or more rigid than usual as a result of excessive or unaccustomed exercise.
(adj) :
Potent.