bottom drops out, the

bottom drops out

A phrase used to describe something that ends or goes awry abruptly. Work quickly to close that deal—the boss will be furious if the bottom drops out at the last minute.
See also: bottom, drop, out
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

bottom drops out, the

Also, the bottom falls out. A collapse occurs, as in The bottom dropped out of the steel market, or When they lost the game, the bottom fell out of their hopes to make the playoffs. This term alludes to collapsing deeper than the very lowest point, or bottom. [First half of 1600s]
See also: bottom, drop
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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