Noun
A pit with no visible bottom (apparently-infinite depth).
Synonym: abyss
(biblical) Hell.
(figuratively) An endless resource or supply.
(figuratively) A person with an apparently boundless appetite; an entity or problem which consumes seemingly endless resources.
Synonyms: money pit, black hole
And he cast him into the bottomless pit and shut him up, and set a seal on him, so that he should deceive the nations no more till the thousand years were finished. Source: Internet
I have the power to say no to watching every single fucking show that is churned out by the bottomless pit that is television production. Source: Internet
His SAA is a bottomless pit receiving billions of taxpayers money every year. Source: Internet
The player loses if he or she is in the same room as the Wumpus (which then eats him or her) or a bottomless pit. Source: Internet
Vader's humanity surfaces at the last second, and he tosses Emperor Palpatine down a bottomless pit (it didn't work perfectly). Source: Internet