Exhibitionism (noun)

1. The practice of displaying or showing off one's body or sexual organs in public.
2. The act of seeking attention or admiration by displaying one's talents, abilities, or wealth.

Origin:

From the latin word "exhibere" meaning "to show" or "to exhibit" and the suffix "-ism," which denotes a practice or belief. the word has been in use since the 19th century.

Examples:

1. His exhibitionism led to his arrest for indecent exposure.
2. Her exhibitionism on social media brought her a lot of attention.
3. His exhibitionism at the party made him the center of attention.
4. The artist's exhibitionism was evident in his bold and controversial works.
5. His exhibitionism was a sign of his deep-seated insecurity.