Hi, I recently was in the shower about a hour ago and noticed I had a bump on the tip of my penis, on the right side. It is like a balloon, semi hard and puffy. It doesn t hurt, and isn t dis-colored. I did masturbate earlier, say 6 hours ago. I just noticed in the shower, wasn t sure if it could be serious of something common. I feel like I have had this before, just not as big of a bump. This is similar in size to a cashew peanut if I had to say.