The song begins with the narrator's declaration that he doesn't want his sister to have sex with her right next to him. He says that his body is so strange that he can't even imagine what it would be like if he had sex with someone else. The narrator tells us that his sister had her first sexual experience when she was younger, and that's how she got her first taste of cum. Now, he says, she's having another sexual experience with him, and it's even worse. He tells her to stop rubbing up against him, because he's trying to deny his body what it wants. He also tells her that if she just passes the "ball" to him, he'll be able to stop it. He's not going to let her stop, he tells her, because she'll have to ask him for it, and he'd have to say something in a way that would make her understand what he was asking. She says that she needs to say it "in a bigger voice" , so that she can hear him better, and she tells him to rub her "sexual organ" instead of her "itching" . She also tells him that she knows that he was trying to ask her for it on purpose, but she won't let him do it.