Definition of mannerisms:
(n) :
A noticeable personal habit, a verbal or other (often, but not necessarily unconscious) habitual behavior peculiar to an individual.
(n) :
Exaggerated or affected style in art, speech, or other behavior.
(n) :
(art, literature) In literature, an ostentatious and unnatural style of the second half of the sixteenth century. In the contemporary criticism, described as a negation of the classicist equilibrium, pre-Baroque, and deforming expressiveness.
(n) :
(art, literature) In fine art, a style that is inspired by previous models, aiming to reproduce subjects in an expressive language.
(n) :
(art) A style of art developed at the end of the High Renaissance, characterized by the deliberate distortion and exaggeration of perspective and especially the elongation of figures.