Splurge

to indulge oneself in some luxury or pleasure, esp. a costly one

They splurged on a trip to Europe.

to show off.

to spend (money) lavishly or ostentatiously

He splurged thousands on the party.

an ostentatious display, esp. an extravagantly expensive one.

verb

hoard , save

verb

be extravagant , binge , celebrate , fling , give a party , rampage , spread , bender , display , indulgence , showy , spend , splash , spree