DuckCorp Dico

Found one definition

1.                 From English - Polish Piotrowski+Saloni/FreeDict dictionary ver. 0.2:
                   
   
   
                   
                     
   spur /spɜ:/
   I.  <N> 1.  ostroga
    2.  bodziec (to sth - do czegoś)
   II.  <V> 1.  ponaglać, cisnąć (on sb - kogoś)
    2.  on the spur of the moment (:on :the :spur :of :the :moment)
    - bez wahania