rack out
C1 slang intransitive
In simple words
To go to bed and sleep, especially in a military setting where beds are called racks.
Literal meaning: To stretch out on a rack (bunk) — to lie flat on one's bed.
Meanings
1 C1
idiomatic
slang
To go to sleep, especially in a military context by lying down on a rack (bunk).
"After the eighteen-hour exercise, the soldiers were told they could rack out for four hours before the next briefing."
Usage notes
Originates in military, especially US Navy and Marine Corps slang, where a bunk or bed is called a 'rack.' 'Racking out' means going to sleep on one's rack. Now sometimes used more broadly in informal American English to mean sleeping or napping. Rarely used outside military contexts or communities familiar with military vocabulary.
Commonly used with
bunk barracks nap exhausted early immediately
Forms
Base
rack out
I/you/we/they
3rd person
racks out
he/she/it
Past simple
racked out
yesterday
Past participle
racked out
have + pp
-ing form
racking out
continuous
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