Sayonaari

Meaning: That girl who bids adieu to her mate once she comes to know that he's run out of money.
Pronounciation: Suy-o-naa-ree
Usage: The United States probably has the highest number of sayonaaris that want to have a good time at some other person's expense and vamoose once the money runs out.
Root: Sayonara(Japanese for Goodbye) + Naari (Hindi for woman)