Siri takes the bus to Billy's house, because he's offered to give her a ride to the mechanic to pick up her car. She is good friends with his wife, who is currently in Nebraska for work. The timing couldn't have been better for Siri and her big tits and big ass, because she's been fantasizing about fucking Billy forever!. He backs off when she approaches him, but once her giant boobs come out, his big dick is in her mouth in no time!