wannabe

Definitions

General English

  • noun a person who would like to be something or someone different

Slang

  • noun an aspirant or imitator. A fashionable Americanism of 1986 and 1987 which was quickly adopted in the UK The wannabe, typically a teenager or young adult, exhibits an envious or ambitious desire, characterised by phrases such as ‘I wannabe like Madonna’, ‘I wannabe thin’, ‘I wannabe in the Seychelles’, etc.
http://www.dictionarycentral.com/definition/wannabe.html