sack out

Go to sleep, go to bed, as in We sacked out about midnight. This slangy idiom is a verbal use of the noun sack, slang for "bed" since about 1940; it alludes to a sleeping bag and appears in such similar phrases as in the sack, in bed, and sack time, bedtime.

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1. n. a period of time spent in bed.  I need more sack time than most people.
2. n. time to go to bed.  Okay, gang, it's sack time. Go home so I can get some sleep!

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Note: click on a word meaning below to see its connections and related words.

The verb has one meaning:

Meaning #1: go to bed in order to sleep
  Synonyms: go to bed, turn in, crawl in, kip down, hit the hay, hit the sack, get into bed, go to sleep, retire

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