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. © 2015 Farlex, Inc, all rights reserved.
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