shack up

British  

verb

1. slang to live or take up residence, esp with a mistress or lover

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shack up Idioms  

1. Sleep together or live in sexual intimacy without being married. For example, They had been dating for two months and then decided to shack up . [ Slang ; first half of 1900s]

2. Stay or reside with, as in I'm shacking up with my cousin till I find a place of my own . [ Slang ; first half of 1900s]

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Example Sentences

I hadn’t been downtown too long, so I figured I’d shack up with him for a minute.

From The New Yorker • Oct. 22, 2018

In 1968, Yarnall starred opposite Presley in “Live a Little, Love a Little” as Ellen, who memorably insists she can’t shack up with the star’s character because he’s a Sagittarius.

From Fox News • Oct. 10, 2018

The Sofie forces tempura shrimp to shack up with warring parties: avocado slices and Sriracha mayo, the ying and yang of creaminess.

From Washington Post • Mar. 24, 2016

Alex and Tina are desperately looking for love, and envy the “little perfect family,” as Tina calls it, they are forced to shack up with because their own lives are so screwed up.

From Slate • Jan. 14, 2015

His father was a Dominican migrant worker who met his mother picking blueberries in Cherryfield, got her pregnant, moved back to the D.R. to shack up with a local girl, and never looked back.

From "Orphan Train" by Christina Baker Kline