The combination of sweat from the ballsac and anus that creates a buttery film on the grundle and butthole. occuring usually from an unwashed scrotum creating a smelly odor that worsens in thickness and odor by the minute. Also known as DB or Deeb.
Bobby rubbed his deeb all over his roommates pillows.
I have some killa DB today!
by MR DB aka the DeebMan May 15, 2004
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duck butter is the nasty film of sweat and someother shit that builds up in a man's taint (space between balls and asshole). it got it's term because that shit is thick like butter
i would've stashed the weed under my nuts but i didn't want to get duck butter on the bag
by THCrandomhero October 18, 2006
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The curded medley of perspiration, dead skin, nether hair and miscellaneous
material gathered between the tigh and the scrotum as a result of a hard days
work.
The mail man is a great producer of duck butter, after a hard days work in the hot sun.
by RandR July 4, 2005
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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 24, 2009
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A creamy substance brewed in the spot between a females vagina and asshole produced by vaginal secretions and ass sweat mixing together.
While engaged in dancing, Alison had some serious duck butter brewing.
by Scottpatricks December 9, 2003
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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 30, 2006
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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
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