in the bag

Idioms and Phrases

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 .