splurge

(noun) an ostentatious display (of effort or extravagance etc.).

(noun) any act of immoderate indulgence. Synonyms: orgy, binge. Examples: "An orgy of shopping." "An emotional binge." "A splurge of spending."

(verb) indulge oneself. Synonyms: fling. Example: "I splurged on a new tv."

(verb) be showy or ostentatious.