Feta Foreskin
The shit that builds up under your foreskin, usually developed on people who are lazy or the fact their parents didn't raise them properly.Oh and the fact that it pretains one of the most nasty smells on earth.
"Good Fucking Lord Carl, I can Smell the Feta Foreskin from here."
foreskin feta
(Only applicable to those sporting a turtleneck) A white rank substance found on your anteater.
I peeled er back for a piss, and my hand smelt like the inside of a ass, goddam foreskin feta.