a) practice of getting good sticking from your best boarding house buddy

b) borrowing an item

c) borrowing a practice of sticking...
a) Jolly Ho! You big ponce! Ram it up my behind, I've got my ringer open and I'm begging you to enter

b) Can I bum a quid?

c) Can I bum a fag?
by Milne December 18, 2004
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when you are dressed the opposite of swagg.
a friend walks in wearing a lame or dirty t-shirt and sweat pants
"man y r u bumming today"
by dirtytoastr March 5, 2012
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when you bum something it means you have a passion for it
by Charli April 21, 2004
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What you inevitably say whenever someone sings "SWEET CAROLINE" or just says "Caroline".
-Hi, my name is Caroline.
-BUM BUM BUM
-You're a fucking weirdo.
by sweetjohn March 3, 2017
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a nickname for someone who makes you uncontrollably silly& happy when you see them. Someone who unknowingly makes faces while watching television. Someone with a smile not like any other. someone you can talk to at the beginning & end of everyday. They make the most crazy moments worth while. & you just can't help but love em!
"bum bum are you awake?"
"i love you bum bum!"
"goodnight bum bum."
by bumbumdotcom August 16, 2012
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