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To obtain or make use of something that belongs to someone else by begging. Hey, can I bum a pen to use on this test?
Feeling sad. I've been bumming ever since my boyfriend broke up with me.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
mod. down; depressed; suffering from something disagreeable. (Collegiate.) I’m really bumming. I think I need somebody to talk to.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.