Where two people remove their clothes and rub their bottoms together. Sometimes considered a sexual act, the art of bumming is also considered a ritual in some cultures. Commonly mistaken for anal sex, bumming is actually the craft of gentle contact between the arses.
Gary: "Wanna' have a bummin' sesh?"
Liz: "Yeah! Let's strip down and rub bums!"
by magicman4321 June 22, 2011
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When a person goes in public without showering, shaving, and dresses in dirty or frumpy clothing. Common signs include bed head, b.o., make-up under eyes.
Sarah hadn't showered for two days and smelled like fish! She was definately bummin it!
by Clark & Ashley August 10, 2006
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When someone displays bum-like qualities.
Taylor: That guy just stole some free samples.

Bill: Ya, he's bummin'.
by Dranard January 29, 2011
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A word people say when they have small dicks
-dude, I was bummin' it the other say.

-then you must have a small ass dick.
by Baldy415 December 29, 2010
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spending wisely until your next check
I just got dem new J's so im bummin it till next week.
by CandymanDaGreat February 22, 2010
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Man 1: "you coming to the pub tonight ?"

Man 2: " No mate but i'm bummin the Mrs tonight."
by Chris Bates December 1, 2004
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The act of bumming another man for non sexual reasons
Nick loves women but is not against a bit of straight bummin'
by Skrurk November 17, 2022
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