wan ‧ na ‧ be /ˈwɒnəbi $ ˈwɑː-/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: want to be ]
informal someone who tries to look or behave like someone famous or like a particular type of successful person, because they want to be like them – usually used to show disapproval ⇨ would-be :
a load of Michael Schumacher wannabes trying to show what they can do on the track
wannabe pop stars