be in the bag

be in the bag

To be achieved or won as a certainty. Don't get complacent, gentlemen. As soon as you start to think the game is in the bag, that's when teams mount big comebacks. The election's in the bag—it's a veritable landslide.
See also: bag
Farlex Dictionary of Idioms.
See also:
  • in the bag
  • bag that!
  • without a shadow of a doubt
  • without the/a shadow of (a) doubt
  • beyond the/a shadow of (a) doubt
  • beyond/without a shadow of doubt
  • bag and baggage