A guy invents a Lie detector which gives you a slap in the face if you Lie, He decided to try it out on his Son. Were you in School he asked? Son replied yes and got a slap. What did you do today he asked? watched cartoons with Tom he replied and Got a slap in the face,What did you watch? Porno he replied. The mother who was watching berated him and told him it was disgusting, You are your fathers son alright she said. She got a slap in the face