Is that her nipple? Could be. I'm going to say it's not, though. But only because I want to eat dinner tonight and not think about how long the head of her nipple must be that it actually hits daylight before her areola. That nip head must look like a Rockwood 525 Spring Base Door Stop with a 3″ Projection (photo right below) when totally unleashed.
Also, the folks at LiveLeak are conducting a poll as to what drug she is on. Human Flesh is pulling some surprising numbers.