1.VerbTo make a lot of percussive noise while moving around.
"She banged around with those tools all night."
2.VerbTo spend time in a place; to linger.
"After meeting up with Simon, the two of us banged around the neighborhood.; This issue has been banging around in the popular imagination for a while."
3.VerbTo beat up, often over time or repeatedly.
"He's been banging her around since they got married."