bottom fell out

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.See also: bottom, fell, of, out

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.See also: bottom, fell, out