My husband has a bump on the top of his penis,it looks like a pimple. He said he had zipped his skin on his penis up in the zipper. He never got it checked out. I m worried it is something serious. It doesn t come an go it s been there for a year he said,an I never noticed it till now. It smaller than a pea size but it s lot flat it kind of round like a pimple. No discharge the bump is the color of his skin but looks dry. Please help an let me know what Dr. He should see it get it checked out!