evil beaver

After contacting a sexually transmitted disease from a chick, her vagina is forever known as an evil beaver.

"Dude, Do not go home with that chick. Believe me, she has an evil beaver"

mnbf

Pronounced minnibuff
Mole Nose Brace Face
referring to a girl who has a mole on or around her nose and of whom also has braces.

"Dude, I nailed a MNBF last night."