Help, Huge pimple on my butt.
I have this huge pimple on my butt. i wouldnt have thought much of it but its black and blue about my thumb size ( maybe i squeezed too hard trying to pop it). And when i did pop it this BLACK werid looking susbtance came out of it. This is was worries me the most can somebody help me. Or tell me if this is just a normal pimple or something else.