(no object) informal
to spend more money than usual on something for yourself
You should let yourself splurge once in a while.
– often + on
We decided to splurge on a bottle of good wine for dinner.
– splurge noun, plural splurges informal (count)
– usually singular
She went on a shopping splurge. (=spree)
This year’s big splurge (=expensive purchase) was a new car.