Put to bed with a mattock, and tucked up with a spade; said of one that is dead and buried. You will go up a ladder to bed, i.e. you will be hanged. In many country places, persons hanged are made to mount up a ladder, which is afterwards turned round or taken away, whence the term, "Turned off."
BED
Meaning of BED in English
Slang English vocab. Английский сленговый словарь. 2012