the bottom fell out of (something)(redirected from bottom fell out of it)
the bottom fell out of (something)
The value of something reached a lower point or collapsed entirely. Once the bottom fell out of the housing market, I knew I'd be stuck with a bad investment—or sell the house for a significant loss.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
bottom fell out (of something)
Fig. a much lower limit or level of something was reached. The bottom fell out of the market and I lost a lot of money.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.