Top Definition
Cheesy smelling residue found at the top of the bum crack, just below the smalll of the back, when you have not washed it for around about a month or more.
Unwashed after a couple of weeks sweaty work - results in Bum Cheese.
by esonscar November 26, 2008

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i.
The curdled poo that coagulates within ones'
bumcrack after not washing for several weeks.

ii.
A term of endearment for a loved one.
i.
Ew, you have bumcheese in your crack!

ii.
I love you, little bumcheese boy.
by Brandy Vallet April 28, 2006

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The residue left after several defecations, limited wiping, no bathing and no showering. This moist fecal left on the anus resembles cheese, but does not taste anything like cheese.
Taylor, your bumcheese is warm.

Steve: Hey Bob, there's no butter left for my toast. Mind if I borrow some bumcheese?
(Without hesitation, Bob bends over and spreads cheeks)
by Captain Gooch June 01, 2009

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Cheese from the moon.
Let's go to the moon and get some bumcheese for Sarah.
by Ronnehuk October 14, 2005

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Cheese like substance built up around the anus/bum.
Similar to cockcheese but on the bum.
Hey lads,,would ye eat her bumcheese for a tenner?
by PervyP May 21, 2008

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cheese that comes out of your crack
James P. has bumcheese in his pants
by niehfui November 07, 2003

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dry cum left around the bum hole after a hard nights bumming.
my bum hole feels sore and crusty loads of bum cheese. I do hope you dont have aids now would you do one because i have to go and poo big time and i dont know you that well.
by mrphil the dilldo March 02, 2010

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