Hello, i am 16 years old, and i have these small little white pimple things on the underside of my penis, and some are on my scrotum, it apears hair is growing out of them on my scrotum, is this normal? what is it? Also i just realized a couple days a go that a brown patch is starting to apear on my foreskin ( i am uncircumsized) what is it???? also when i pull sht skin back, near the underside of my penis head there is a small redish purple lump not that big, but im really starting to get scared now. and the thing is im a vergin! so can somebody please help me out here thanks