Meaning of the word "go through the floor" in English

What does "go through the floor" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

go through the floor

US /ɡoʊ θruː ðə flɔr/
UK /ɡoʊ θruː ðə flɔr/
"go through the floor" picture

Idiom

1.

to fall to a very low level; to decrease very quickly

Example:
Sales of the product went through the floor after the scandal.
House prices in the area have gone through the floor.
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