Temporary Lender
  
You don't like to get tied down. Short-term relationships only. No commitments. Just have fun for a bit, and then quickly move on.
A temporary lender has the same philosophy. Only, instead of romantic partners, they do it with loans.
A temporary lender will originate a loan, and then quickly sell it to some other financial institution. They don't want the hassle (and risk) of holding the loan long-term. So, after getting the deal done, they immediately search out a buyer for the loan.
A temporary lender stands in opposition to a portfolio lender (who's basically the person who starts talking about kids on the first date and thinks eHarmony is too frivolous).