- cross one's fingers
- keep one's fingers crossed (for someone or something) & cross one's fingersto wish for luck for someone or something, sometimes by actually crossing one's fingers; to hope for a good outcome for someone or something. •
I hope you win the race Saturday. I'm keeping my fingers crossed for you.
•I'm trying out for a play. Keep your fingers crossed!
* * *{v. phr.} 1a. To cross two fingers of one hand for good luck. * /Mary crossed her fingers during the race so that Tom would win./ 11b. or[keep one's fingers crossed] {informal} To wish for good luck. * /Keep your fingers crossed while I take the test./ 2. To cross two fingers of one hand to excuse an untruth that you are telling. * /Johnny crossed his fingers when he told his mother the lie./
Dictionary of American idioms. 2013.