To lend someone something.
To give someone something, with the idea they will at one point do it for you in return.
Hey, bum me a cig.
Bum me some gum.
by Strands57 December 19, 2006
To sodomise a human, animal or object (not including trees) not illegal if the other gives their consent
Shut up Laura, or I will Bum You, And Tom won't stop me
by The Drinker Of Cum February 05, 2005
1. Where I am from, bum means a person who says or does stupid things.
2. A person who lives off the street.
1. Jackie-"What grades do you need to pass to the 8th grade?"
Deon-"You cant have too many F's"
Jackie-"So you can make straight D's and still pass??"
Deon-"OMG you are a BUM!!"

2. "look at that bum sitting on the corner holding that cardboard sign"
by TipsyMa4Lyfe April 21, 2004
The posterior. Habitat for Australian and English PM's where they live off bumsweat.
"The moisture that you see on the seat of your pants is bumsweat"
by schteve April 01, 2003
The thing you go pewpie out of.
"Sit your bum on that toilet and let loose!"
by Groovatron March 01, 2002
To make the butt of a cigarette wet with spit.
Errr Sarah has bummed her fag!
by hennerz July 13, 2005
Used to define any foul or particularily nasty smelling odor (ie. a steady floating buttbomb that clears a room and just won't leave no matter how much ventilation you provide).
Somethin smells like bum!

Aw man... it smells like bum in here!

Ugh! I smell bum! You should see a toilet about that.
by MatlockJB May 31, 2005
is used wen u really like something>>
NOT A PERSON THOUGH just other stuff>> originates from liking something so much that you want to have sex with it,you can say you bum it or you bone it !!!!
o my god i totally bum this song
not o i totally bum that guy
o my god i totally bone that band
by nola November 07, 2004

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