bag
noun [ C ]
uk/bæɡ/ usbe in the bag informal
if something is in the bag, you are certain to get it or to achieve it:
The company goes into the year with 75% of its expected revenues already in the bag.
be left holding the bag informal
to be made responsible for something that was really the fault of somebody else:
He quit the company and we were left holding the bag for the bad decisions he'd made.