n. a very hungry person. : The guy is a bottomless pit. There isn't enough food in town to fill him up.
n. an endless source of something, usually something troublesome. : Our problems come from a bottomless pit. There is just no end to them.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source