Tourette's syndrome

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

• noun A neurological disorder characterized by multiple facial and body tics and often accompanied by grunts and compulsive utterances, such as interjections and obscenities. It is usually diagnosed in childhood or adolescence.

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

• noun Alternative name for Tourette syndrome.

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

• noun neurological disorder characterized by facial grimaces and tics and movements of the upper body and grunts and shouts and coprolalia