hang around

1.  Spend time idly, loiter, as in Every afternoon they could be found hanging around the mall. [Mid-1800s] Also see hang out, def. 4.
2.  Keep company or consort with someone, as in The younger campers loved to hang around the older ones. [Mid-1800s] Also see hang out, def. 5.

The verb has one meaning:

Meaning #1: be about
  Synonyms: loiter, lounge, footle, lollygag, loaf, lallygag, mess about, tarry, linger, lurk, mill about, mill around