bottomless pit

One of those words was "whale", which, Miranda explains, "is a customer who is like a bottomless pit of money. He will make your night. And he won't make you work very hard for it at all."

He makes the bed for Coltrane in a way that is just a bottomless pit of grooves and greatness.

“They’re more interested in their bottom line, as opposed to the bottomless pit of Ukrainians dying.”

Hustled and harried and looking to all the world like they were preparing to plunge ever deeper into the bottomless pit of poor results.

He's a bottomless pit when it comes to his need for narcissistic energy and fuel. 20,000 cheering people would not satisfy Trump.