shack up

verb

shacked up; shacking up; shacks up

intransitive verb

: to sleep or live together as unmarried sexual partners

Examples of shack up in a Sentence

Recent Examples on the Web

In 1942, Krasner and Pollock shack up on Eighth Street, and the show takes off. — Zachary Fine, New Yorker, 14 Oct. 2026

Then, flash forward, Marcia was back on our coast after her triumphant five or six years in New York, and suddenly Marcia and I had been shacked up for two years. — Literary Hub, 10 Sep. 2026

Over the years, numerous celebrities have opted to leave Hollywood and shack up in smaller cities or remote ranches once children enter the picture. — Brianna Zigler, Entertainment Weekly, 19 Aug. 2026

There was a Rockaway Shack Olympics that brought together all the shacks up and down the beach to compete against one another. — Curbed Editors, Curbed, 23 June 2026

Word History

First Known Use

1935, in the meaning defined above

Rhymes for shack up

• backup
• blowup
• breakup
• buildup
• checkup
• cleanup
• holdup
• hookup
• lineup
• lockup
• makeup
• markup