wanton

Spend wastefully.

“wanton one's money away”

Become extravagant; indulge (oneself) luxuriously.

Waste time; spend one's time idly or inefficiently.

Behave extremely cruelly and brutally.

Engage in amorous play.

Indulge in a carefree or voluptuous way of life.

Occurring without motivation or provocation.

Casual and unrestrained in sexual behavior.

“wanton behavior”

Lewd or lascivious woman.