Mannerism (behavior)

In human behavior, a mannerism is a special habit of a person.Mannerism, APA Dictionary of Psychology, 2007Mannerisms In particular, the term refers to an affected or exaggerated speech or actions.mannerism, Merriam-Webster

Examples 

Mannerisms are often subconscious, which may be shown as body language and voice tone alike. Examples of mannerisms are twirling hair, tapping fingers and particular facial expressions. Some mannerisms may be attempts to call attention to themselves.Roger M. Kurlan, Chapter 7. "Habits, Mannerisms, Compulsions, and Stereotypies", In: Hyperkinetic Movement Disorders, 2015, pp. 99-105, 

Psychopathology

In psychopathology, mannerisms that look weird may be a syndrome of various personality disorders.Martin Brüne, Ethological remarks on mannerisms. Conceptualisation and proposal for a definition  Mannerisms should not be equated with tics.

References

Category:Psychology