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 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
The act of gay sex
Godfrey and Cyril had a bum session during the night. I always knew they were a pair of chimney sweepers.
(Also called bumming)
by Borris McFly November 20, 2003
means a fine sexy guy. someone you diggin'
damn, he's looking well bum today!
by baby gurl xoxox April 19, 2005
A cat who can't play no ball!

Unathletic. No talent having mofo.
Don't pick that cat! That dude a bum!!
by reggie December 16, 2004
To love greatly. Originally associated with music. When one is obsessed/near obsessed with something and goes on about said-something or can't stop listening to said-something . Also used in conjunctment with other sexual terms abused in a similar way
"Bills Bums milo to t3h max0r"

"gawd, i bum Tool too much. They cause me to climax *goes red* "

" stop bumming Brian, your gonna rip his intestines out"

"J bums Atd-i then cums all over its face"
by Forsty February 06, 2005
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