A man buys a lie detector robot that slaps people who lie...

The man decided to try it out at dinner...
Dad: Son, where were you during school hours?

Son: At school.

The robot slaps the son.

Son: Ok! I was at my friend's house watching a DVD.

Dad: Which one?

Son: Kung Fu Panda..

The robot slaps the son again.

Son: Ok! It was an erotic movie.

Dad: What!? When I was your age I didn't even know what is erotic movie..

Then the robot slap the dad...

Mom: HaHa...He is your son after all!!

The robot slap the mom...

© PopRosy