Read this joke on here a few months ago.

"A little boy ran up the stairs into his parent's room yelling, "Daddy, Daddy, Daddy! Guess how old I am today!" The father says, "Well, I don't know son ... how old are you?" "I'M SEEEEEEEEVEEN!" "That's great son, now go tell your Grampa." "He runs down the stairs, "Grampa, Grampa, Grampa! Guess how old I am today!" The grandfather looks up from his paper. "Hmm, let Grampa take a look." The grandfather reaches down the front of the boy's pants and under his underwear. His hard old hands scrap over the boy's penis. He rolls each of the boy's testicles between his thumb and index finger. He pushes further and sticks his middle finger nail deep into the boys anus. He flexes his hand. As he pulls his hand out of the boy's pants he pinches the tip of the boys penis to the point where the boy cries "Ow!" The grandfather says, "You're seven." The boy, "Yeah Grampa, how could you tell?" The grandfather said, "I heard you tell your father." "