shack up
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To live together, especially of an unmarried couple.
Register: colloquial
Where it’s used:
Used
American English
Examples
The only thing I want to do after the war is marry some girl who's got more money than I have and shack up with lots more pretty girls.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “shack up” mean?
To live together, especially of an unmarried couple.
Is “shack up” formal or informal?
shack up is generally colloquial.