Top definition
1. A homeless person.
2. British/Australian equivalent of "butt".
3. To fuck someone up the arse.
A bum bummed me up the bum.
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Dec 1 Word of the Day
"Man fuck Donald trump, he wants to build a wall and don't pay taxes!!"
by January 30, 2017
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2
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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3
Someone who does nothing all day and expects everyone to bend over backwards to please them.

Someone who has no liscense, no car, no job, no girl.
Yo mike can you come scoop me up man and drive me around all day.
by darken one May 08, 2005
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4
This is the name of someone that also goes by shrek. This person is bad at basketball .
That bum over their is shrek
by Shrek is bad January 31, 2020
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5
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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