The Collaborative International Dictionary of English v.0.48:

Debauchee \Deb`au*chee"\, n. [F. d['e]bauch['e], n., properly p.
   p. of d['e]baucher. See Debauch, v. t.]
   One who is given to intemperance or bacchanalian excesses; a
   man habitually lewd; a libertine.
   [1913 Webster]

WordNet (r) 3.0 (2006):

debauchee
    n 1: a dissolute person; usually a man who is morally
         unrestrained [syn: libertine, debauchee, rounder]

The Devil's Dictionary (1881-1906):

DEBAUCHEE, n.  One who has so earnestly pursued pleasure that he has
had the misfortune to overtake it.