hang out phrasal verb ( see also ↑ hang )
1 . informal to spend a lot of time in a particular place or with particular people
hang out with
I don’t really know who she hangs out with.
Where do the youngsters hang out?
⇨ ↑ hangout
2 . hang something ↔ out to hang clothes outside in order to dry them:
My job was to hang out the washing.
Hang the wet things out to dry.
3 . let it all hang out informal to relax and do what you like