spiskati

1. colloq. (of money) to squander; to blow
   Spiskao je celu platu za jedan vikend. — He blew his whole salary in one weekend.
   Sve pare smo spiskali na gluposti. — We squandered all the money on nonsense.

Usually takes an accusative object, often with «na» + acc.: spiskati pare na nešto.