1. an expression of hope that something will turn out the way you would like
everything will be better this time around, fingers crossed!
The expression or the action of crossing your fingers is used to express a wish for luck or for a positive outcome. You might hear someone saying 'I have my fingers crossed for you' meaning 'I wish you luck', or someone might say 'keep your fingers crossed for me' meaning 'please wish me luck'. You will often hear this expression or even see people cross their fingers in social and even professional contexts.