(idiomatic, chiefly Britain) To be dismissed from employment.

A sack used for transporting Christmas presents.

(slang, vulgar, UK) The scrotum.

(derogatory) Somebody who barely qualifies as human.

(obsolete) A lazy person.

Misspelling of knapsack.

(often attributive) A kind of fashionable gown worn by women in the 18th century, having fabric at the back arranged in box pleats which fell loose from the shoulder to the floor with a slight train.

plural of sack-back

A bag containing ten dollars' worth of a drug, especially marijuana.

folkloric character, in many Latin American countries, who collects naughty children in a large sack and eats them.