We found 5 dictionaries that define the word in the sack:

General (4 matching dictionaries)

1. in the sack: Cambridge Advanced Learner's Dictionary
2. in the sack: Longman Dictionary of Contemporary English

Slang (1 matching dictionary)

3. in the sack: Urban Dictionary

Phrases: a roll in the sack, cat in the sack, The Wishing-Table, the Gold-Ass, and the Cudgel in the Sack, still in the sack, more... ▸ Words similar to in the sack ▸ Usage examples for in the sack ▸ Idioms related to in the sack ▸ Wikipedia articles (New!) ▸ Words that often appear near in the sack ▸ Rhymes of in the sack ▸ Invented words related to in the sack