She 'shacked up' with her boyfriend.
an old 'shack' in the woods
young couples 'shacking up'
(..) - We're not lost. Just look for an institution. What's an institution look like? - I don't know, it looks big and institutional. It's gotta be around here somewhere. Hey, look, there's a little shack up there. We can stop there and ask for directions. - We're not lost. - Oh, no, definitely not. What's this? A ski shack? "'sgeirsson... ...lnstitute for Progressive Volcanology." I told you I'd find it. Alrighty. - Not too shabby. (..)2008 Journey to the Center of the Earth