in the bag

1. Assured of success, virtually accomplished or won. For example, The coach thought the trophy was in the bag, or Our new contract is in the bag. The precise allusion in this idiom is unknown. One writer believes it refers to a completed transaction, that is, an item bought and wrapped in a bag. However, it may well refer to the game bag in which hunters place small game such as birds. [c. 1920] Also see under wrap up.

Example Sentences

Maher said Anderson, operating with an alleged budget of $175m, was working on "his most ambitious canvas" and concluded the film has an "easy best picture Oscar nomination in the bag".

From BBC

Sadly, the cocktail in the bag was no longer available, our server said.

From Los Angeles Times

Indeed, it should concern Frank that his team wilted at the first sign of pressure against a side who have had just two pre-season training sessions in the bag.

From BBC

A man has escaped a French prison by hiding in the bag of a fellow inmate who was leaving prison after serving their sentence, officials told local media.

From BBC

Also in the bag were two envelopes filled with $15,000 — his payment, Meiser acknowledged, for bringing the narcotics behind bars.

From Los Angeles Times