bum (something) off (someone)
To borrow or use something that belongs to someone else. Hey, can I bum a pen off you?
bum something off someone
Sl. to beg or borrow something from someone. Can I bum a cigarette off you? You can't bum anything off me that I don't have.
bum something (off someone)
tv. to beg or borrow something (from someone). Can I bum two quarters for a phone call?