One of the many interesting things about saucy Latina Sofia Smith is that although she's pretty much a flattie who can fit into A-cup bras, there's a bit of a caveat to that. This horny Colombian teen has long nipples that are almost always hard, and the size of her nips can expand her bra size from a 32A to a 32B. We haven't heard of that before, either, but Sofia says it's true. "I remember one day after sports class at school, a lot of the girls were looking at me in the shower," Sofia said through a translator. "So I said to my bestie, 'Why was everyone staring at me?' She said, 'Your nipples, Sofia. They're so long and hard.' The funny thing is, I wasn't even thinking about sex when I was in the shower. And when I'm having sex with a…