splurgy

/ˈsplɜrdʒi/
adjective
  1. Involving or characterized by extravagant spending; lavish.
    • They had a splurgy weekend, staying at a five-star hotel and eating at the best restaurants.
    • The party was quite splurgy, with a live band and expensive decorations.
    • Her splurgy habits meant she often ran out of money before the end of the month.