Definitions by RVA

bum 

1. a word used by stoners to describe something that is good or desirable.

2. to borrow without the need to repay someone

ex 1- hey dude i just had this bum sandwich, wanna bite?
-man thats shits dank

2- yo can i bum a cig off you
- man you are always bummin shit

bum by RVA April 18, 2006