Cambridge Advanced Learner's Dictionary - 4th Edition
hang around (somewhere ) ( UK also hang about ) — phrasal verb with hang / hæŋ / verb
B1 to wait or spend time somewhere, usually for no particular reason:
I spent most of my youth hanging around the bars of Dublin.
I thought I'd hang around for a while and see if she comes.
hang around ( UK also hang about ) informal — phrasal verb with hang / hæŋ / verb
to move or do things slowly:
Go and pack but don't hang around - we have to go in an hour.
hang around with sb ( UK also hang about with sb ) — phrasal verb with hang / hæŋ / verb
to spend time with someone:
I got into drugs because I was hanging around with the wrong people.
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