a penis. the purple head would refer to just that, and the yogurt slinger refers to the ability to ejaculate. first refered to as such in the movie "Varsity Blues".
Hey you wanna see my purple headed yogurt slinger?

He whipped out his purple headed yogurt slinger but It wasn't very big so it waS HARD TO SEE!!!!
by B Man bran November 14, 2007
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After constant masturbation or jerking off for over six hours because your girlfriend left you for your brother after finding out you have testicular cancer in which all of your cum becomes thick and purple just like your bruised nutsack.
After last night I was stuck with a Purple-headed yogurt slinger.
Bro I jerked off for so long I had a Purple-headed yogurt slinger.
by MayFucker March 26, 2019
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noun: thing used to put in a woman's mouth, ass, or pussy
Wow! Shes hot! Id like to stick my purple headed yogurt slinger in her ass.
by Adam Seligson September 29, 2006
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Something with a purple head that slings yogurt, preferably white yogurt.
Whatch this babe!

*Shplat*

Ewwww!
by Trey December 10, 2003
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