splurge UK /splɜːd͡ʒ/US /splɝd͡ʒ/verb 3noun 2forms 3 verb3 •(informal) To spend lavishly or extravagantly, especially money.They decided to splurge on the biggest banana split for dessert. •(informal) To produce an extravagant or ostentatious display. •(informal) To (cause to) gush; to flow or move in a rush.The tomato sauce was splurged all over the chips. noun2 •(informal) An extravagant indulgence; a spending spree. •(informal) An extravagant or ostentatious display. formssplurged · splurging · splurges