splurge

n. 炫耀,摆阔
v. 挥霍,乱花

I had a splurge and bought two new suits.

我大手大脚花了一笔钱买了两套新衣服.

She won 100 and then splurged it all on new clothes.

她赢了100英镑, 都挥霍在买新衣服上了.