in the bag

prepositional phrase2

1. •
   (slang) Of a desirable thing, certain or extremely likely to occur.

   • 3-0 up with 5 minutes to go...we've got the win in the bag.
2. •
   (slang) Intoxicated; drunk.

   • His wife and his three girls had gone over to Gates Falls to do some last-minute Christmas shopping, and Uncle George was pretty much in the bag, just like the Drunk Man Who Had to Go to Jail. — 1984