splash out (something)
phrasal verb with splash verb uk/splæʃ/ us/splæʃ/
UK
C2 花大笔的钱（尤指购买不需要的东西）;挥霍
to spend a lot of money on buying things, especially things that are pleasant to have but that you do not need
They splashed out £3,000 on a holiday. 他们一次度假就花了3000英镑。
See also: splurge