Annoying facial movements, 4 letters
Eccentric mannerisms, 4 letters
Impressionists exaggerate them, 4 letters
Involuntary contractions, 4 letters
Involuntary movements, 4 letters
Involuntary twitches, 4 letters
Little contractions, 4 letters
Muscle contractions, 4 letters
Nerves may cause them, 4 letters
Nervous contractions, 4 letters
Peculiar mannerisms, 4 letters
Random muscle movements, 4 letters
Rapid blinks, maybe, 4 letters
Signs of nervousness, 4 letters
Signs of Tourette's, 4 letters
Some facial features, 4 letters
Sudden contractions, 4 letters
Symptom of Tourette's syndrome, 4 letters
They're involuntary, 4 letters
Unconscious idiosyncrasies, 4 letters
Uncontrollable motions, 4 letters
Uncontrollable movements, 4 letters
Uncontrollable muscle movements, 4 letters