noun. The scum that collects in the foreskin; a mixture of lint, sweat, dirt, etc.
Dude I had a doubleheader tonight and i had the worst case of duck butter because of those damn uniforms. That shit's nasty
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Nasty ball sweat that collects between the legs of a man.
Chris's balls where stuck to his leg because of all the duck butter collecting in there.
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Substance that results from the mixing of semen and vaginal fluids that rolls down the nut sack and grundle after unprotected sex. Once mixed, if left unattended, a sticky residue will result on the nut sack and grundle with a profound citrus like smell.
Fuck man, wash up after gettin some I can smell your duck butter from over here.
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duck butter is the accumulation of sweat, piss, and dried cum that collects on the glans of some uncircumcised males.
I sucked that cadet's dick and even his duck butter tasted good!
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grease that gathers on the region between a mans scrotum and anus after he runs a marathon
this duck butter is so thick that i could spread it on toast
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sweaty film produced on a man's balls and taint after much physical activity on a hot day.
"get out the gold bond, Ed, after walking clear across campus the ol' duck butter is getting thick!"
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A cheesey (and profoundly smelly) secretion that collects on the backside of an unwashed scrotum
John was surprised to find that he liked the taste of DUCK BUTTER on his morning toast.
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