Feeling knocked onto the butt, or bum, by circumstances. Synonym of down, dejected, sad or disappointed.
I realize my friend doesn't really give a shit, and now I'm bummed.
by Belch Queen February 10, 2019
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1. When followed with 'around', used to mean procrastinating, or acting lazy and not doing anything.

2. To engage in anal intercourse.

3. To get something by begging, or mooching.
1. Stop bumming around and get off your lazy arse.

2. Those fellows over there enjoy bumming. The taller one bottoms.

3. That wanker's always bumming fags off of me.
by Josie H. June 19, 2006
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To get something from someone else for free. Also used to borrow, but with the understanding that repayment might not happen.
by Tim March 13, 2003
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US/Canada
1. Pejorative for a homeless person, - especially one that makes no attempt to work or better himself (contrasted with the more respected working homeless “hobos”). Probably comes from the expression “lazy bums.”
Get a job you F’ing bum.

2. To shamelessly ask for something (in the manner of a bum – see above).
Dude can I bum a cigarette, five dollars, and a ride to the…

3. A loser with nothing going for him (no job, no aspirations etc). Especially an unworthy husband or boyfriend.
I can’t believe she’s with Jim. Always drinking, never workin, the guy is a bum.

UK/Commonwealth:
4. The more polite way of saying ass.
Does my bum look big in this?

5. To do in the bum.
I bummed a tart.

Afganistan
6. Bum is a major city in Afganistan.
I bummed a ride to Bum where I bummed a bum in his bum.
by author December 25, 2006
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