(now offensive, especially in UK) A person affected by spastic paralysis or spastic cerebral palsy.

(slang, derogatory, offensive especially in UK) A stupid, clumsy person.

(pathology) Of, relating to, or affected by spasm.

(pathology) Of or relating to spastic paralysis.

(slang, derogatory, offensive in the UK) Clumsy and stupid.

(slang, derogatory, offensive in the UK) Hyperactive, excited, and acting in a random manner.