"Nervous tics" refers to sudden, repetitive movements or sounds that a person makes when they are feeling anxious or uncomfortable. It can be like a small twitch or habit that someone may develop when they are nervous or stressed. Full definition
No, for all its police procedures and trial scenes, Fracture is really a battle of wills between two arrogant rivals, and most of the pleasure of the film comes from watching Anthony Hopkins playing elaborate mind games and seeing Ryan Gosling unload all kinds of nervous tics as his character comes close to bowing to the pressure. (markreviewsmovies.com)
Besieged with nervous tics, uncontrollable urges and erratic twitches, he copes as best he can by living in an ultra-sanitized house and popping illegally acquired prescription pills. (parentpreviews.com)
To this end, they are looking at other disturbances that are often associated with attention deficit or hyperactivity; approximately 80 percent of ADHD children suffer from at least one other challenge, such as nervous tics, antisocial behavior, anxiety, or reading and spelling problems. (scientificamerican.com)