tardive dyskinesia

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A chronic disorder of the nervous system characterized by involuntary jerky movements of the face, tongue, jaws, trunk, and limbs, usually caused by prolonged treatment with antipsychotic drugs.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun involuntary, repetitive movements as a side effect of dopamine antagonists.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun involuntary rolling of the tongue and twitching of the face or trunk or limbs; often occurs in patients with Parkinsonism who are treated with phenothiazine