2. A person who lives off the street.
Deon-"You cant have too many F's"
Jackie-"So you can make straight D's and still pass??"
Deon-"OMG you are a BUM!!"
2. "look at that bum sitting on the corner holding that cardboard sign"
Aw man... it smells like bum in here!
Ugh! I smell bum! You should see a toilet about that.
NOT A PERSON THOUGH just other stuff>> originates from liking something so much that you want to have sex with it,you can say you bum it or you bone it !!!!