fall for something hook, line and sinker

fall for (someone or something) hook, line, and sinker

1. To become completely infatuated or in love with someone. The moment I met my wife, I fell for her hook, line, and sinker.
2. To believe unquestioningly that something is true, especially something intended to dupe one. I told them that I like this stupid school, and they fell for it hook, line, and sinker—I guess I'm a pretty good actress.
See also: and, fall, sinker
Farlex Dictionary of Idioms.

fall for something hook, line and sinker

or

swallow something hook, line and sinker

If someone falls for something hook, line, and sinker or swallows something hook, line and sinker, they believe it completely, even though it is often not true. He told her a story about having lost his money, and she fell for it, hook, line and sinker. There were leaks to the press, and journalists swallowed it hook, line and sinker.
See also: and, fall, line, sinker, something
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • fall for (someone or something) hook, line, and sinker
  • fall for someone hook, line and sinker
  • sinker
  • hook, line and sinker
  • hook, line, and sinker
  • fall for
  • fall for (someone or something)
  • infatuated with
  • infatuated with (someone or something)
  • swallow hook, line, and sinker