Source : Webster's Revised Unabridged Dictionary (1913)

Spree \Spree\, n. [Cf. Ir. spre a spark, animation, spirit,
   Gael. spraic. Cf. {Sprack}.]
   A merry frolic; especially, a drinking frolic; a carousal.
   [Colloq.]

Source : WordNet®

spree
     n : a brief indulgence of your impulses [syn: {fling}]
     v : engage withour restraint in an activity and indulge, as when
         shopping