Knock it off kid A little boy blows up a balloon and starts flicking it all around the house with his finger. His mother tells him to stop it as he's liable to break something, but the boy continues. ""Johnny!"" Mom screams. ""Knock it off."" You're going to break something. He stops and eventually Mom leaves for a short trip to the shopping center. Johnny starts up with the balloon again after his mom has left for the store... He gives it one last flick and it lands in the toilet where he leave…