The Collaborative International Dictionary
To give one the bag
Bag \Bag\ (b[a^]g), n. [OE. bagge; cf. Icel. baggi, and also OF. bague, bundle, LL. baga.]
A sack or pouch, used for holding anything; as, a bag of meal or of money.
A sac, or dependent gland, in animal bodies, containing some fluid or other substance; as, the bag of poison in the mouth of some serpents; the bag of a cow.
A sort of silken purse formerly tied about men's hair behind, by way of ornament. [Obs.]
The quantity of game bagged.
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(Com.) A certain quantity of a commodity, such as it is customary to carry to market in a sack; as, a bag of pepper or hops; a bag of coffee.
Bag and baggage, all that belongs to one.
To give one the bag, to disappoint him. [Obs.]
--Bunyan.