From Longman Dictionary of Contemporary Englishexhibitionismex‧hi‧bi‧tion‧is‧m /ˌeksəˈbɪʃənɪzəm/ noun [uncountable] 1 SHOW OFFbehaviour that is intended to make people notice or admire you – used to show disapproval2 SYMP medical a medical condition that makes someone want to show their sexual organs in public places
Examples from the Corpus
exhibitionism• Getting up and singing like that is pure exhibitionism. 