fall through the floor

fall/go through the floor

if the price or value of something falls through the floor, it becomes very low House prices have gone through the floor this year.

Name	Pronounced	Usage
MichÈLe	mee-SHEL	French
Orvokki	OR-vok-kee	Finnish
Ozihel	-	Biblical Latin
Noemi	naw-E-mee (Italian)	Italian, German, Czech, Biblical Latin
Taryn	TAHR-in	English
LuboŠ	-	Czech