take a nosedive

take a nosedive

1. Of an aircraft, to go into a sudden and rapid descent toward the ground leading with the nose of the plane. Everyone went into a panic when we started taking a nosedive, but the skilled pilot managed to regain control of the plane and landed it safely.
2. Of a person, to fall toward the ground face first. I was so distracted by the girl I like in class that I tripped and took a nosedive right in front of her.
3. By extension, to suddenly and rapidly begin to decline in physical, emotional, or psychological health or stability; to suffer a sudden loss or decline in value or success. My father has held out bravely in his fight against cancer, but I'm afraid he's taken a nosedive in the last couple of weeks. Shares in the company are taking a nosedive ever since news of the tax scandal went public.
See also: nosedive, take
Farlex Dictionary of Idioms.

take a nosedive

tv. to collapse; to fail. The market took a nosedive again today.
See also: nosedive, take
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • go into a nosedive
  • nosedive
  • get (one's) nose cold
  • get one’s nose cold
  • turn (one's) nose up at (someone or something)
  • turn nose up at
  • turn your nose up at something
  • nose candy
  • nose job
  • the nose knows
References in periodicals archive
Still, there's no one definitive reason why some businesses thrive while others take a nosedive.