[splurge] n [perh. blend of splash and surge] (1830): an ostentatious effort, display, or expenditure
[2]splurge vb splurged ; splurg.ing vi (1843) 1: to make a splurge
2: to indulge oneself extravagantly--often used with on "~ on a new dress" ~ vt: to spend extravagantly or ostentatiously