財さい布ふの紐ひもを緩ゆるめる

expression, ichidan verb

loosen the purse strings; spend freely

Idiomatic expression meaning to become less tight with money, often implying a sudden or temporary willingness to spend.

• ボーナスをもらったので、財さい布ふの紐ひもを緩ゆるめて新あたらしいパソコンを買かった。

  Since I got a bonus, I loosened the purse strings and bought a new computer.

• 旅りょ行こう中ちゅうはつい財さい布ふの紐ひもを緩ゆるめてしまう。

  When traveling, I can't help but loosen the purse strings.