plural of sack knot

(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

plural of happy sack

(slang) A person's testicle.

(US, military, slang) sleep

(derogatory, slang, vulgar) A despicable person.

Third-person singular simple present indicative form of hit the sack

present participle of hit the sack

plural of sack of shit