1 definition by bman981
Similar to its bon fire counterpart, a bum fire involves a pollutant-ridden fire cast in an open steel barrel trash can (make up of trash container is flexible), that a multitude of of skeezy homeless personnel can find warmth, scavenging light, or a cooking surface to decoct the day's loot over. Also known as a hobo heater
by bman981 February 7, 2010