Exhibitionism
[eksɪ'bɪʃ(ə)nɪz(ə)m] or [,ɛksɪ'bɪʃənɪzəm]
Definition
(noun.) the perverse act of exposing and attracting attention to your own genitals.
(noun.) extravagant and conspicuous behavior intended to attract attention to yourself.
Editor: Lora--From WordNet