How come all I can think about is a big black dick with warts on it?

All I can think about all day is this big black dick with warts on it. What does this mean?

@Flossie This is a cross section of humanity. You think it's bad here? No this is what is actually common in humanity as a whole. It's just people end up getting arrested in they go too far in public. The internet allows it to all hang out. But the thoughts underlie these people on and offline.