prodigal
/ˈprä-di-gəl/
adjective
characterized by profuse or wasteful expenditure : lavish
recklessly spendthrift
yielding abundantly : luxuriant —often used with of
a prodigal feast
noun
one who spends or gives lavishly and foolishly
one who has returned after an absence
noun
a son/daughter who leaves his or her parents to do things that they do not approve of but then feels sorry and returns home —often used figuratively