-shəˌnizəm noun
( -s )
Etymology: International Scientific Vocabulary exhibition + -ism
1.
a. : a perversion marked by a tendency to indecent exposure of the person so as to excite or gratify oneself sexually by such exposure
b. : such exposure or an act of such exposure
2. : the act or practice of behaving so as to attract attention to oneself : extravagant or willfully conspicuous behavior