Jesus. That'd suck to grow one of those on your face. Good thing for people with breast and foot fetish's, though.
They're probably moles. My English teacher had one on her left eyebrow. Sucked cause she wasn't bad looking.
Omg what the frick?! My friend was taking the piss saying she had one of her forehead and needed a bra for it but everyone thought it was hilarious and didnt think it was possible for someone to have a nipple on their head.