What is Duck-butter?
1.
Smegma: The foul, cheese-like sebacious substance that grows beneath the foreskin or beneath saggy tits.
"I picked up dat bitches titty and it looked like a duck-butter sammich.
See
2.
A film in your ass thats so thick you can spread it like butter
Man i havent showerd in a few days and i got some sick DUCK-BUTTER going on all up in my butt! wanna see?
See
Random Words:
1.
A shit that goes extremely smooth through the rectum and yeilds minimal crap marks on the toilet paper used to clean the buttocks.
Dude..