exhibitionistic

from WordNet (r) 3.0 (2006)

exhibitionistic
    adj 1: compulsively attracting attention to yourself especially
           by public exposure or exaggerated behavior

from The Collaborative International Dictionary of English v.0.48

exhibitionist \exhibitionist\ exhibitionistic
\exhibitionistic\adj.
   1. compulsively attracting attention to oneself especially by
      boasting or exaggerated behavior.
      [WordNet 1.5]