Hang around with
Definition 1 of 2
Pro Tip 1/3Social Context
Use when referring to social activities or leisure time with others. 
I'm going to hang around with my classmates after school.
Pro Tip 2/3Not Literal
It doesn't mean literally hanging; it's about being in someone's company casually. 
We just hang around with each other and talk.
Pro Tip 3/3Temporariness
Suggests a casual, possibly short-term, engagement without specific plans. 
Most weekends, I hang around with my neighbors.