adjective, characterized by the act of smuggling alcohol across the Canada-US border during Prohibition; see also booze running, rum runner, run booze
“There was somebody, a famous guy during the rum running years, named Dollar Bill. He used to collect the money on the Penny Bridge. He was a bootlegger, evidently, and then he collected the toll on the Penny Bridge.”
“… the family that lived there during the rum running days …”