Source : Webster's Revised Unabridged Dictionary (1913)

Self-indulgent \Self`-in*dul"gent\, a.
   Indulging one's appetites, desires, etc., freely.

Source : WordNet®

self-indulgent
     adj : indulgent of your own appetites and desires; "a
           self-indulgent...way of looking at life"- Havelock
           Ellis