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!
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..
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."