when you get your dick cheesy and keep fapping till it turns to butter,

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.

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

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.

A creamy substance brewed in the spot between a females vagina and asshole produced by vaginal secretions and ass sweat mixing together.

Smegma: The foul, cheese-like sebacious substance that grows beneath the foreskin or beneath saggy tits.

The most common secretion of the grundular or taint region. This secretion is a mix of sweat, dryed skin and ass smell.