Boy's Revenge on Parents in Bedroom Fiasco

A boy walks in on his parents having sex. "What are you doing to my mother?!" the boy screams at his father, and runs out of the room.

Soon, the parents hear screams coming from the father's mother's room. They both go running. They see the little boy pumping into his grandmother like anything. "What are you doing to my mother?!" the father screams. "It's not so easy when it's your mother is it?" says the boy.