/ splɜːdʒ; NAmE splɜːrdʒ/ noun , verb
■ noun
[ usually sing. ] ( informal ) an act of spending a lot of money on sth that you do not really need
■ verb
[ vn , v ] splurge (sth) (on sth) ( informal ) to spend a lot of money on sth that you do not really need
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WORD ORIGIN
early 19th cent. (originally US): probably imitative.