To give the sack to

Sack Sack, n. [OE. sak, sek, AS. sacc, s[ae]cc, L. saccus, Gr. sa`kkos from Heb. sak; cf. F. sac, from the Latin. Cf. {Sac}, {Satchel}, {Sack} to plunder.] 1. A bag for holding and carrying goods of any kind; a receptacle made of some kind of pliable material, as cloth, leather, and the like; a large pouch. [1913 Webster]

2. A measure of varying capacity, according to local usage and the substance. The American sack of salt is 215 pounds; the sack of wheat, two bushels. --McElrath. [1913 Webster]

3. [Perhaps a different word.] Originally, a loosely hanging garment for women, worn like a cloak about the shoulders, and serving as a decorative appendage to the gown; now, an outer garment with sleeves, worn by women; as, a dressing sack. [Written also {sacque}.] [1913 Webster]

4. A sack coat; a kind of coat worn by men, and extending from top to bottom without a cross seam. [1913 Webster]

5. (Biol.) See 2d {Sac}, 2. [1913 Webster]

6. Bed. [Colloq.] [1913 Webster]

{Sack bearer} (Zo["o]l.). See {Basket worm}, under {Basket}.

{Sack tree} (Bot.), an East Indian tree ({Antiaris saccidora}) which is cut into lengths, and made into sacks by turning the bark inside out, and leaving a slice of the wood for a bottom.

{To give the sack to} or {get the sack}, to discharge, or be discharged, from employment; to jilt, or be jilted. [Slang]

{To hit the sack}, to go to bed. [Slang] [1913 Webster +PJC]