look up any word, like blumpkin:
 
8.
The most common secretion of the grundular or taint region. This secretion is a mix of sweat, dryed skin and ass smell.
He drapped his balls on her neck, slathering her in duck butter.
by Mig Smalls May 29, 2006
 
9.
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.
by Vertigo1968 June 18, 2007
 
10.
The combination of sweat from the penis/scrodom area, and the anus. These two meet on the gouch and form a deadly serum called Duck Butter.
Jee wiz Bobby! I can smell your duck butter from here!
by vegieman92 February 02, 2009
 
11.
A mixture of sweat, dingleberries, baby powder, loose pubes, urine, and dirt that collects in the chode of a soldier after they've been in the field without a shower for more than a couple days. It can be scraped off with a fingernail, mixed with water and rubbed on the face and arms for insect repelent.
Matt, "I order you to take a shower when we get back to base. You fuckin' stink!"

Jeff, "I know. I'm churnin' some serious duck butter!"
by dooshkanew August 23, 2009
 
12.
REAL DEFINITION: It is the creamy peanut-butter like substance that is produced from anal sex with a partner who forgot to clear the shoot in advance. The "churning" of the "butter" creates a quacking sound. Hence: Duck Butter.
Duck Butter quacks when you churn it!
by supercakk July 29, 2009
 
13.
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 29, 2012
 
14.
The buttery substance that forms on the gouiche of adult men, when combined with with skidmarks it forms the special "spicy" variety of Duck Butter.
Dude, I just work out for three hours, now I have some serious Duck Butter buildup.
by Douchebag4203 May 10, 2007