trickle away
1. Of a liquid, to flow out or away in drops or a thin stream. As the ice sculpture melted, it began tricking away into the grass. After dropping the jug, he just watched helplessly as all the wine trickled away.
2. To slowly disappear, dissipate, or become lost. As the clock ticks down, the team's hopes of reaching the playoffs continues to trickle away. Once last of our cash reserves trickles away, we'll have to file for bankruptcy.