The rare breed of woman that has completely blonde (almost white) pubic hairs. While the exact statistics are not known, it is commonly understood that a real snow bush is nearly impossible to find. The snow bush itself often brings a polarizing response from men, who are either repulsed or very attracted to this strange creature.
Dude! I went home with this blonde hippie chick last night and she actually turned out to be a snow bush!
A vagina. Usually one that is young, fresh and nubile.
"Hey girl, let me get that snack-piece! I know you got it on ya!"