Exhibitionism

[eksɪ'bɪʃ(ə)nɪz(ə)m] or [,ɛksɪ'bɪʃənɪzəm]

(noun.) the perverse act of exposing and attracting attention to your own genitals.

(noun.) extravagant and conspicuous behavior intended to attract attention to yourself.

整理:罗拉--From WordNet