Someone who is spastic is born with a disability which makes it difficult for them to control their muscles, especially in their arms and legs. This word could cause offence, and most people now refer to someone with this disability as having cerebral palsy. A spastic is someone who is spastic
a type of cerebral palsy characterized by rigidity in muscles, which causes stiffness and restricted movement, 80% of the children diagnosed with cerebral palsy have spastic cerebral palsy
a person suffering from spastic paralysis suffering from spastic paralysis; "a spastic child" relating to or characterized by spasm; "a spastic colon"; "spastic paralysis is a spastic form of cerebral palsy