The Collaborative International Dictionary of English v.0.48:

Outspend \Out"spend`\, v. t.
   1. To spend more than.
      [PJC]

   2. To spend to exhaustion; to spend more than the limits of;
      as, he outspent the entire discretionary fund halfway
      through the year.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Outspend \Out"spend`\, n.
   Outlay; expenditure. [R.]
   [1913 Webster]

         A mere outspend of savageness.           --I. Taylor.
   [1913 Webster]