Shmagg

1. The mildew, fuzz, cheese found on the exterior of ones penis. Usually due to lack of cleanliness or wearing the same underwear for a week.
2. Similar to toe jam
3. Jessica's nick name

Porky: "OMG he had the worst shmagg ever!"
Shmagg: "Thats disgusting"

by porcupine July 18, 2008