1. duck butter The combination of sweat from the ball sack 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!
2. duck butter A creamy substance brewed on 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.