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The rolled up toilet paper crumbs left behind your backside on the toilet seat.
dirty toilet seat,clean your bum crumbs off the toilet!
by NJ MUIR September 12, 2007
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2
The sprinkles of fecal matter, rolled up tissue and odd arse crack pube that is often found left on the back of the toilet seat post-poo.

Usually left behind by an over-enthusiastic wiper.

(Often confused with Chuff Nuts which are bum crumbs that remain attached to the crack hair)
Yeh I noticed I'd left a shit-ton of bum crumbs behind; looked like someone had been eating a chocolate biscuit over the back of the bog.

Ah fuck! Dave's left a load of bloody bum crumbs around the toilet again. That guy needs to stop wiping his arse like he's trying to polish his Rusty Sheriff's Badge. Dirty bastard!
by Poo Review December 01, 2010
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3
the crust left behind in your butthole, from feces. usually in small pieces, like a loose dingleberry.
I farted one day, and I had bum crumbs all in my underwear.
by Shefun April 04, 2006
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4
the crust left behind in your butthole, from feces. usually in small pieces, like a loose dingleberry.
I farted one day, and I had bum crumbs all in my underwear.
by Shefun April 04, 2006
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5
Small pieces of shit left on your ass when wet farting, squirting power poops, or wiping like a retard.
Stevie has no thumb and leaves bum crumbs when he attempts to wipe his shit off his ass.
by Vironex July 22, 2006
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6
The little pieces of poo stuck to the hairs on your bum after not wiping correctly
Boy doing girl in doggy ...
Damn you have major bum crumbs, go wash your bum!
by Biff! August 02, 2010
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7
Another way of saying "Sh*t"!
It's much more babyish and boffin, but funner to say and isn't illegal in schools.

It was made up by Drayton-Kids from West London.

Yes... Londoners are strange.
Bob: Your mum just died.
Jim: Oh bum-crumb!
Bob: Correct... Bum-crumb.
by TheSchmexxieDevil January 23, 2009
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