the sweat that accumulates in and around the ass crack.
i was rocking so much duck butter that i slid off of the toilet.
by mwolfe February 11, 2004
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It's the foul smelling cheese that forms under the foreskin of the uncircumsized and unwashed.
He likes duck butter on his toast.
by Clay White December 26, 2003
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I stole a pair of her panties and they were full of duck butter.
by nine February 18, 2004
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The multicolored cheeselike smegma that collects inder the foreskin of uncircumcised men. in case you don't know this, you should be cleaning that so i don't have to in the doctors office!
Dr. says "Whats that under your foreskin, sir?" Its duck butter, Doc.
by uroligist's beeotch August 13, 2009
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The cumulation of mung around the head of ones dick..cheesy white sauce not as potent as limburger although could be the equivalent....also can be spread on crackers and served with onion..
Hey...after a hard day of playin or work this can be excavated from behind the ears and the head of the kawk....
by pinacle August 13, 2005
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The frothy mixture of lube and fecal matter that is sometimes the by-product of anal sex. Better known as santorum.
After I finished your mom last night, her duck butter stained the sheets.
by Bok May 9, 2006
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A broad term to describe any sort of deposit, build-up, slime, grime or sludge with a likeness to feces or slugs, the consistency of a glob of grease or jello, and colors from light beige, neon orange, to black.
"I went to open my car door and there was someone left some duck butter on the handle."

"When I walked into the bathroom, it smelled like Hoboken and there was duck butter splattered on the mirrors and on the ceiling."
by baconn August 30, 2012
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