adjective

engaged in the pursuit of pleasure; sensually self-indulgent.

a hedonistic existence of booze, drugs, and parties

self-indulgent,indulgent,pleasure-seeking,pleasure-loving,sybaritic,lotus-eating,epicurean,luxurious,unrestrained,intemperate,immoderate,overindulgent,excessive,extravagant,fast-living,sensual,voluptuous,decadent