When you go down on a girl, and you pretend to be eating her out, but really you are rubbing her vagina with your finger, and making noises like you are eating her out.

Fake Chow is when you are going to perform cunninlingus on a woman, but either a) You were never really in the mood to go down on her because she hasn't shaved for a few weeks or b) You got a whiff of her bearded clam and had already reached the point of no return and in doing so you began the Fake Chow. Using your fingers as your tongue and making lip smacking noises as if you are enjoying some of Uncle Ho's famous Kung Pao Chicken.