also: パアになる
expression, godan verb (-ru)
come to nothing; go down the drain; go up in smoke
Colloquial expression meaning that plans, efforts, or money end up wasted or fruitless. Often used when something fails completely or becomes pointless.
See also: パー
せっかくの計画が雨でパーになった。
Our carefully made plans came to nothing because of the rain.
投資したお金が全部パーになった。
All the money I invested went down the drain.