fall for hook, line and sinker

fall for someone hook, line and sinker

to fall very much in love with someone. I'd never seen such a good-looking bloke - I just fell for him hook, line and sinker.

See also: fall, line, sinker

fall for something hook, line and sinker

to completely believe something someone tells you which is not true. I told him I needed the money for my baby, and he fell for it hook, line and sinker.

See also: fall, line, sinker