1. in senses of taking or placing ‘in a sack’.
(a) [late 18C+] to rob, to steal, to take possession of, to pocket.
(b) [19C] to put in one’s pocket.
(c) [1940s] (US Und.) to sort out, to arrange.
2. in senses of dismissal.
(a) [mid-19C+] to dismiss someone from a job.
(b) [mid-19C+] (also sack off) to reject or dismiss something or someone.
(c) [mid-19C+] to expel from school or university.
(d) [1970s+] to end a relationship with, esp. in an abrupt, brutal manner.
(e) [1980s] (US campus) to humiliate someone.
(f) [1980s+] (Aus. prison) to ostracize.
3. [1930s–50s] (US Und.) to tie someone up with the cord round their limbs and throat; they are then placed in a sack and when they struggle to get free they will asphyxiate themselves.
4. to allot a sleeping place.
[1940s+] to go to bed, to sleep.
[1940s+] fast asleep.
1. [1940s+] (US) to go to bed, to sleep.
2. [1960s] to lie in, to stay in bed.
[1970s–80s] (US black) to terminate, to bring to a conclusion.
see sense 2b above.
[1940s+] to fall asleep, to go to bed.
1. [1920s+] (US) to go to bed.
2. [2000s] (US) to be quiet.
SE in slang uses
[mid-late 19C] a resurrectionist or grave-robber.
1. [1990s+] (US campus) to survive a challenging situation [? one places it in a fig. SE sack].
2. [2000s] (drugs) to divide up and place bulk drugs into separate bags prior to sale.
[1980s+] be quiet!