Wiktionary
1 Sharing a small room or accommodation between many (often too many) people 2 (context idiomatic English) (''of a couple'') Sharing a house, but not married. v
(en-pastshack up)
Usage examples of "shacked up".
The most likely reason you haven't heard from her is that she's shacked up with some Zonee, and sooner or later she'll show up with a few bruises and mental scars and the whole clan can gather and kill the fatted calf.
He shacked up with any Korean Jo-san who would have him, and I figure from what he told me one night that his wife did the same with anyone at Iwakuni.
Now I have to buy you a goddamn present just because you're shacked up in a new place.
In fact I would have shacked up with Eddie DeChooch, but his penis don't work.
In his dreams, in his wagging, whinnying dog dreams on Twenty-Third Street, he never guessed that life could be as sweet as this, shacked up in a duplex on Bank Street, with a big basket, a lovable and loving mistress, all the food he could bolt, and a handsome new collar of leather and steel which told the world that he had money behind him now and wasn't to be fucked with any more.
He saw the Buick and started a pool on who you were shacked up with.
How was I supposed to know you were down here shacked up with some guy?
Charlie suddenly felt a great wave of affection for this sunburned little bald guy who his mother was shacked up with.
I hoped that he was shacked up with something soft and sultry-rather than losing his head to a jungle machete, which seemed more likely.
I hoped that he was shacked up with something soft and sultry - rather than losing his head to a jungle machete, which seemed more likely.
I hoped that he was shacked up with something soft and sultry -- rather than losing his head to a jungle machete, which seemed more likely.
To make matters worse, Corney was shacked up with him and trying to get him to leave his wife.
Although how smart can she be if she has shacked up with my old man?