"To cross those fingers" means to hope or wish for something good to happen. It is a gesture where you intertwine your fingers as a sign of wishing for luck or success.
Full definition
They tried to control losses with higher rates and better collections, but mainly
just crossed their fingers on general economic stability.
While the game certainly does have its own well deserved merits, we can only
cross our fingers in hopes for an extremely explosive title when it launches next year.
I can't truly expect it to be that good every year but it's my favorite festival
so cross your fingers that a lot of masterpieces emerge.
He still has a few brown spots but is doing well...
please cross your fingers for me that he will be around for a long time to come.
Like any totally new to me creation, I started out
by crossing my fingers and throwing in a bunch of ingredients, hoping things would turn out the way I wanted.
As I'm writing this post, I'm
also crossing my fingers and toes hoping I get to wear this outfit again in the near future.
That doesn't stop me from playing dress up in my mind though... and
maybe crossing my fingers and hoping they will still have my size when it goes on sale.
Over the years, the game entered development hell and continued to miss E3 presentations, despite
fans crossing their fingers and toes for so many years.
We'd all like to seal the deal during a job interview — but more often than not, we leave a hiring manager's
office crossing our fingers, holding out on hope.