indulge (one's appetite) to satiety(verb.consumption)
source: wordnet30
To load the stomach with food, so that sickness or uneasiness ensues; to eat to excess.(verb)
source: webster1913
To feed so as to oppress the stomach and derange the function of the system; to overfeed, and produce satiety, sickness, or uneasiness; -- often reflexive; as, to surfeit one's self with sweets.(verb)