1. When a latino or mexican woman has overly thick, coarse, black hair located in her errogenous zones that grow at an exponential rate. She can have a 5 o'clock shadow on her pudenda when you start fucking her, but by the time your finished, she has a fully grown duck dynasty.
Researchers at a Boston laboratory did a study and found that women afflicted with this condition appear to grow hair in time-lapse fast motion photography that almost defies the laws of physics. The study also found that several days worth of normal human hair growth can occur in just a few short seconds.