Noah Webster's Dictionary (a.) Indulging one's appetites, desires, etc., freely.

Multi-Version Concordance Self-indulgent (3 Occurrences) 1 Timothy 5:6 But she who gives herself to pleasure is dead while she is living. (See RSV) 2 Timothy 4:5 But as for you, you must exercise habitual self-control, and not live a self-indulgent life, but do the duty of an evangelist and fully discharge the obligations of your office. (WEY) James 5:5 Here on earth you have lived self-indulgent and profligate lives. You have stupefied yourselves with gross feeding; but a day of slaughter has come. (WEY)