splurge 
/ˈsplɚʤ/ verb
splurg·es; splurged; splurg·ing /ˈsplɚʤ/ verb [no obj] 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.
▪ 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 [count] informal — usually singular ▪ She went on a shopping splurge. [=spree] ▪ This year's big splurge [=expensive purchase] was a new car.
