through the floor

through the floor

To an incredibly low point. The value of the company's stock fell through the floor following revelations about the CEO's mismanagement of pension funds. We're having a huge sale this weekend, and we're driving prices through the floor!
See also: floor, through
Farlex Dictionary of Idioms.

through the floor

If prices or values go through the floor, they suddenly decrease to a very low level. Property prices have dropped through the floor. On the fateful day, Oct. 19, the value of those stocks fell through the floor.
See also: floor, through
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • blow the whistle
  • blow the whistle (on) (someone or something)
  • blow the whistle on
  • blow the whistle on someone/something
  • blow wide open
  • blow (something) wide open
  • blow something wide open
  • be/come under fire
  • come under fire
  • lift
References in classic literature
And then the visitors were taken to the other parts of the building, to see what became of each particle of the waste material that had vanished through the floor; and to the pickling rooms, and the salting rooms, the canning rooms, and the packing rooms, where choice meat was prepared for shipping in refrigerator cars, destined to be eaten in all the four corners of civilization.
Jungle
She could hear nothing through the floor, although she listened intently, and thereupon went to the kitchen to finish her interrupted breakfast.
Tess of the dUrbervilles A Pure Woman
In the first, the sill log sits on the floor diaphragm and the anchor bolt extends from the foundation through the floor system cavity and floor diaphragm to the top of the sill log.
Finite-element modeling of log wall lateral force resistance