Procure por qualquer palavra, como ratchet:
 
1.
The state or quality of being thoughtful and internally aware, but also having the capability or skill to direct oneself outward when it is appropriate.

Also a play on words - an exintrovert is now no longer an introvert, because they have chosen to become more socially outgoing.
I decided I should begin to learn how to say what I think, but I usually think about it before I speak. I used to be an introvert, now I am an exintrovert.
por exintrovert 25 de Março de 2009
 
2.
A person who is both an introvert and an extrovert. i.e. both shy and loud at the same time.
"Shall we invite jimbob to the pub?"
"No, hes an exintrovert, so hes too shy to come, and if he did, he would make a twat of himself"
por Fredhead 18 de Março de 2007