'SHACK UP' Phrasal Verb

Definition of Shack up phrasal verb

Shack up: Live with someone when you are in a relationship.
(Intransitive | International English)

» Example: They SHACKED UP a few months after they started going out.

Live somewhere temporarily
(Intransitive | American English)

» Example: We had to SHACK UP with friends while our house was being decorated.