The next bit I did was a 'sixer' (six months), and I escaped from prison in about three weeks after I got it.
And since when Execs talk like sixer when they out of they head?
And so Scuddy's life went on, with occasional misfortunes in the way of a moon, or another drag, or perhaps a sixer.
I dunno why, for she had no protection that a sixer would not penetrate.
And yet, the suggestion that the sixer woman had made did require a little thinking over before he accepted or rejected it.
Before long he had overtaken his fellow-“sixer,” and almost immediately drew up to our champion.
The Guesser was quite certain that he didn't look like a sixer.
Old English siex, six, sex, from Proto-Germanic *sekhs (cf. Old Saxon and Danish seks, Old Norse, Swedish, and Old Frisian sex, Middle Dutch sesse, Dutch zes, Old High German sehs, German sechs, Gothic saihs), from PIE *s(w)eks (cf. Sanskrit sas, Avestan kshvash, Persian shash, Greek hex, Latin sex, Old Church Slavonic sesti, Polish szesc, Russian shesti, Lithuanian szeszi, Old Irish se, Welsh chwech).
Six-shooter, usually a revolver with six chambers, is first attested 1844; six-pack of beverage containers is from 1952, of abdominal muscles by 1995. Six of one and half-a-dozen of the other "little difference" is recorded from 1833. Six-figure in reference to hundreds of thousands (of dollars, etc.) is from 1840. Six feet under "dead" is from 1942.
Phrase at sixes and sevens originally was "hazarding all one's chances," first in Chaucer, perhaps from dicing (the original form was on six and seven); it could be a corruption of on cinque and sice, using the French names (which were common in Middle English) for the highest numbers on the dice. Meaning "at odds, in disagreement or confusion" is from 1785, perhaps via a notion of "left unsettled."
A six-month prison sentence (1950s+ Underworld)
To pay attention; become aware; wake up and smell the coffee: Let's do something that'll make him sit up and take notice (1889+)